WISECO PISTON High-Performance Forged Piston Kit, Standard, 8.5:1, stroke 4.25", Harley 84-00 FX 84-99 FL 87 - 94 XL
DS-K1640
Regular price $384.95In Stock
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Shipping calculated at checkout.
WISECO PISTON High-Performance Forged Piston Kit, Standard, 8.5:1, stroke 4.25", Harley 84-00 FX 84-99 FL 87 - 94 XL
- Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
- Kits include forged pistons with ArmorGlide coated skirts, rings, retainer clips, chrome piston pins and top-end gasket kits
- Twin Cam pistons have ArmorPlating which improves ring seal, eliminates ring micro-welding, and improves the piston's ability to defend against detonation damage
- Piston kits are available with X-Ring package (.062 top ring, .062 compression ring and .158 oil ring), XC-Ring packages (.039 top ring, .062 compression ring, .158 oil ring) or VM-rings (1.2mm steel, positive twist, gas nitrided top ring, 1.2mm cast iron, taper under-hook scraper ring and 2.0mm three-piece, flex-vent oil ring with steel chrome-faced rails); VM-rings, X-Rings and XC-Rings will not interchange
- X- and XC-rings are identified by PART # in the application chart; X-Ring PART #s end with an "X" and XC-Ring PART #s end with an "XC"
- 103" kits require cylinder boring; 110" kit requires big-bore cylinders and case boring; X-Ring package (.0472" top ring, .0472" compression ring and .118" oil ring); recalibration required
- Pistons are made in the U.S.A.
