63 products
63 products
Pistons,Kb Perf 10:1 Std Bore Spt 86/L* Converts 883 To 1200 W/Pins,Locks,Rings # Kb272Std
MID-62290
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 10:1 Std Bore Spt 86/L* Converts 883 To 1200 W/Pins,Locks,Rings # Kb272Std
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight, permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy composition keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself production a cooler running piston
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability, and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the tip and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings moly rings
- Order 65199 for replacement wrist pin lock (sold each)
- Wrist pins measure .792 O.D.
- Replacement rings are availableKB Performance Pistons
Fits Evolution Sportster 1986/Later 1200cc (74ci)
Standard bore =3.498
10:1 compression ratio
Dish Top Pistons that do not require head modification
Standard BoreNote: It is not recommended to bore Sportster 1972/Early 1973 1000cc models more than .030 oversize. These are easily identified by their 6 point head bolts.
Pistons,Kb Perf 7.2:1 +.005"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62297
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 +.005"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
+.005 Bore
Pistons,Kb Perf 7.2:1 +.010"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62298
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 +.010"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
+.010 Bore
Pistons,Kb Perf 7.2:1 +.020"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62299
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 +.020"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
+.020 Bore
Pistons,Kb Perf 7.2:1 +.030"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62400
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 +.030"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
+.030 Bore
Pistons,Kb Perf 7.2:1 +.040"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62401
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 +.040"Os Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
+.040 Bore
Pistons,Kb Perf 7.2:1 Std Bore Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62296
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 7.2:1 Std Bore Sh 1340Cc W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Shovelhead 80ci - 1340cc - 3.498
7:2.1 Dome Top Piston
Standard Bore
Pistons,Kb Perf 8.6:1 +.030"Os BT Evo W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62282
Regular price $231.00In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 8.6:1 +.030"Os Bt Evo W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
8.6:1 lat Top Piston
+.030 Bore
Pistons,Kb Perf 8.6:1 Std Bore BT Evo W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
MID-62278
Regular price $231.10In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 8.6:1 Std Bore Bt Evo W/Pins,Locks & Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
8.6:1 lat Top Piston
Standard Bore
Pistons,Kb Perf 8.9:1 +.010"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb295.010
MID-62431
Regular price $224.65In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 8.9:1 +.010"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb295.010
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight, permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy composition keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself production a cooler running piston
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability, and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the tip and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings moly rings
- Order 65199 for replacement wrist pin lock (sold each)
- Wrist pins measure .792 O.D.
- Replacement rings are availableKB Performance Pistons
Fits Evolution Sportster 1988/2003 1200cc (74ci)
Standard bore =3.498
8.9:1 compression ratio
lat Top Pistons with valve pockets cut .060 deeper for use with shaved heads & high lift cams
+.010 Bore Note: It is not recommended to bore Sportster 1972/Early 1973 1000cc models more than .030 oversize. These are easily identified by their 6 point head bolts.
Pistons,Kb Perf 9.6:1 +.010"Os BT Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
MID-62188
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9.6:1 +.010"Os Bt Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
9.6:1 Dome Top Piston
+.010 Bore
Pistons,Kb Perf 9.6:1 +.020"Os BT Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
MID-62189
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9.6:1 +.020"Os Bt Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
9.6:1 Dome Top Piston
+.020 Bore
Pistons,Kb Perf 9.6:1 +.030"Os BT Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
MID-62190
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9.6:1 +.030"Os Bt Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
9.6:1 Dome Top Piston
+.030 Bore
Pistons,Kb Perf 9.6:1 Std Bore BT Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
MID-62186
Regular price $243.55In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9.6:1 Std Bore Bt Evo 80Ci W/Pins,Locks,Rings 3.498"Std Bore Hi Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Big Twin Evolution 80ci - 1340cc - 3.498
9.6:1 Dome Top Piston
Standard Bore
Pistons,Kb Perf 9:1 +.010"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.010
MID-62274
Regular price $224.65In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.010"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.010
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight, permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy composition keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself production a cooler running piston
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability, and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the tip and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings moly rings
- Order 65199 for replacement wrist pin lock (sold each)
- Wrist pins measure .792 O.D.
- Replacement rings are availableKB Performance Pistons
Fits Evolution Sportster 1988/2003 1200cc (74ci)
Standard bore =3.498
9:1 compression ratio lat Top Piston
+.010 BoreNote: It is not recommended to bore Sportster 1972/Early 1973 1000cc models more than .030 oversize. These are easily identified by their 6 point head bolts.
Pistons,Kb Perf 9:1 +.020"Os BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62266
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.020"Os Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB PERORMANCE PISTONS
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome Top Piston
+.020 bore
Pistons,Kb Perf 9:1 +.020"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.020
MID-62275
Regular price $224.65In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.020"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.020
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight, permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy composition keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself production a cooler running piston
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability, and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the tip and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings moly rings
- Order 65199 for replacement wrist pin lock (sold each)
- Wrist pins measure .792 O.D.
- Replacement rings are availableKB Performance Pistons
Fits Evolution Sportster 1988/2003 1200cc (74ci)
Standard bore =3.498
9:1 compression ratio lat Top Piston
+.020 Bore Note: It is not recommended to bore Sportster 1972/Early 1973 1000cc models more than .030 oversize. These are easily identified by their 6 point head bolts.
Pistons,Kb Perf 9:1 +.030"Os BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62267
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.030"Os Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB PERORMANCE PISTONS
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome Top Piston
+.030 bore
Pistons,Kb Perf 9:1 +.030"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.030
MID-62276
Regular price $214.64In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.030"Os Spt 88/03 1200Cc W/Pins,Locks, Rings #Kb264.030
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight, permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy composition keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself production a cooler running piston
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability, and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the tip and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings moly rings
- Order 65199 for replacement wrist pin lock (sold each)
- Wrist pins measure .792 O.D.
- Replacement rings are availableKB Performance Pistons
Fits Evolution Sportster 1988/2003 1200cc (74ci)
Standard bore =3.498
9:1 compression ratio lat Top Piston
+.030 Bore Note: It is not recommended to bore Sportster 1972/Early 1973 1000cc models more than .030 oversize. These are easily identified by their 6 point head bolts.
Pistons,Kb Perf 9:1 +.040"Os BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62268
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.040"Os Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB PERORMANCE PISTONS
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome Top Piston
+.040 bore
Pistons,Kb Perf 9:1 +.050"Os BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62269
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.050"Os Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB PERORMANCE PISTONS
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome Top Piston
+.050 bore
Pistons,Kb Perf 9:1 +.070"Os BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62271
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 +.070"Os Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB PERORMANCE PISTONS
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome Top Piston
+.070 bore
Pistons,Kb Perf 9:1 Std Bore BT 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
MID-62264
Regular price $237.25In Stock
/
Shipping calculated at checkout.
Pistons,Kb Perf 9:1 Std Bore Bt 1200Cc W/Pins,Locks & Rings 3.438"Std Bore Std Compression
- Spawned from this successful manufacturer's line of automotive pistons
- Lightweight permanent mold cast pistons
- Manufactured from Hypereutectic 390 Alloy, contain 16-18% silicon, and heat treated to T6 specifications producing a stronger than stock piston
- Special alloy compositon keeps heat confined to the combustion chamber and reduces heat transfer to the piston Fitself producing a cooler running piston
- Can be fitted with a clearance as small as .00075
- Piston expansion is reduced by as much as 20% over conventional pistons
- Less piston rock, better ring support, more durability and better retained compression for maximum power
- The key feature to these pistons is the accumulator groove between the top and second ring which averages the normal pressure between the first and second ring, keeping the pressure low enough to prevent lifting of the top ring while maintaining preload on the second (oil scraping) ring
- Each set of pistons includes wrist pins, spiral locks, engine assembly lube, and Hastings Moly rings
- Wrist pins measure .792 O.D. on single cam models and .927 on Twin cam models
- Sold in sets as shown
- Replacement ring sets availableKB Performance Pistons
Standard Bore & Stroke Piston set
Fits Knucklehead, Panhead, Shovelhead 74ci-1200cc-3.438
9:1 Dome top piston
Standard bore
