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55 products

V-Twin Manufacturing 36-39 Knucklehead 61 Stock Head Bolt Cad
V-Twin Manufacturing
$75.40
V-Twin Manufacturing 36-47 Knucklehead Cad Rocker Box Mount Kit Stock
V-Twin Manufacturing
$32.91
V-Twin Manufacturing 36-47 Knucklehead Chrome Rocker Box Mount Kit Stock
V-Twin Manufacturing
$34.98
V-Twin Manufacturing 36-47 Knucklehead Cyl HD Bolt Washers Parkerized (10 Pc)
V-Twin Manufacturing
$8.58
V-Twin Manufacturing 36-47 Knucklehead Rocker-Arm Thrust Washer Set
V-Twin Manufacturing
$25.75
V-Twin Manufacturing 36-47 Knucklehead Rs Rocker Shaft Chrome Nut(4Pc)
V-Twin Manufacturing
$64.02
V-Twin Manufacturing 36-47 Rocker Box Drain Tube Fitting Kit
V-Twin Manufacturing
$27.80
V-Twin Manufacturing 40-47 Knucklehead 74 Stock Head Bolt Cad
V-Twin Manufacturing
$75.28
V-Twin Manufacturing 40-47 Knucklehead Chrome HD Bolt Kit w-Washer
V-Twin Manufacturing
$82.78
V-Twin Manufacturing 42-47 Knucklehead Oil Feed Line Fitting Cad
V-Twin Manufacturing
$35.29
Sold Out
V-Twin Manufacturing 61" Front Knucklehead Cylinder, 1936-47
V-Twin Manufacturing
$189.03
V-Twin Manufacturing 61" Rear Knucklehead Cylinder, 1936-47
V-Twin Manufacturing
$189.03
Sold Out
V-Twin Manufacturing Complete Knuckle Head Set, 1937-47 ReplicaTM Knucklehead
V-Twin Manufacturing
$3,521.36
V-Twin Manufacturing Cylinder-Piston Kit, 1936-47 61 7.5:1
V-Twin Manufacturing
$887.88
V-Twin Manufacturing Front Knuckle Cylinder 74", 1941-47
V-Twin Manufacturing
$195.04
V-Twin Manufacturing Gary Bang Head Rocker Cover Gasket Kit
V-Twin Manufacturing
$23.75
V-Twin Manufacturing Gary Bang Oil Pump Gasket, Paper
V-Twin Manufacturing
$11.86
Sold Out
V-Twin Manufacturing Knucklehead Chrome Banjo Rocker Line, 1936-41
V-Twin Manufacturing
$123.44
V-Twin Manufacturing Knucklehead Gary Bang Rocker Arm Oil Seal
V-Twin Manufacturing
$37.53
V-Twin Manufacturing Knucklehead Lifter Block Set, Raw, STD Sifton
V-Twin Manufacturing
$278.30
Sold Out
V-Twin Manufacturing Knucklehead Oil Line, Chrome, 1942-47
V-Twin Manufacturing
$124.91
V-Twin Manufacturing Knucklehead Replica Knucklehead Rocker Box 41-47 Alloy
V-Twin Manufacturing
$372.70
V-Twin Manufacturing Knucklehead rocker arm shaft brass washer, OEM 6475
V-Twin Manufacturing
$29.04
V-Twin Manufacturing Knucklehead Rocker Arm Shaft, 4 Piece, STD Sifton
V-Twin Manufacturing
$146.96
V-Twin Manufacturing Knucklehead Rocker Box Strip Kit, Chrome
V-Twin Manufacturing
$90.66
V-Twin Manufacturing Knucklehead Rocker Cover Strip & Gasket Kit, Zinc
V-Twin Manufacturing
$69.83
V-Twin Manufacturing Knucklehead Rocker Shaft Nuts, Parkerized
V-Twin Manufacturing
$69.83
Sold Out
V-Twin Manufacturing Knucklehead Sifton Lifter Kit, Raw, 1936-47 Tappet Block
V-Twin Manufacturing
$613.16
V-Twin Manufacturing Knucklehead-Rocker Cover Screw Set,Parkerized,34 Pcs
V-Twin Manufacturing
$27.15
V-Twin Manufacturing Lower Valve Collar Set, 1936-47 Knucklehead
V-Twin Manufacturing
$42.89
V-Twin Manufacturing Lower Valve Spring Cup w-Chrome Top Cover, Chrome 1938-47
V-Twin Manufacturing
$682.56
V-Twin Manufacturing Lower Valve Spring Cupset, Parkerized 1938-47
V-Twin Manufacturing
$682.56
V-Twin Manufacturing Oil Line Fitting Kit, Cadmium w-Washer, 1936-41
V-Twin Manufacturing
$43.32
V-Twin Manufacturing Oil Line Fitting Kit, Chrome w Washer, 1936-41
V-Twin Manufacturing
$56.13
V-Twin Manufacturing Rear Knuckle Cylinder 74", 1941-47
V-Twin Manufacturing
$196.47
V-Twin Manufacturing 36-39 Knucklehead 61 Stock Head Bolt Cad Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-39 Knucklehead 61 Stock Head Bolt Cad

VT-7713-20

$75.40

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V-Twin Manufacturing 36-39 Knucklehead 61 Stock Head Bolt Cad - Kit

Cadmium cylinder head bolt.


EL 1936-1939
V-Twin Manufacturing 36-47 Knucklehead Cad Rocker Box Mount Kit Stock Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Knucklehead Cad Rocker Box Mount Kit Stock

VT-8779-12

$32.91

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V-Twin Manufacturing 36-47 Knucklehead Cad Rocker Box Mount Kit Stock - Kit

Rocker box mount, stock, cadmium finish are hex type and are to be used to mount rocker boxes on 1936-1947 Knucklehead.


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing 36-47 Knucklehead Chrome Rocker Box Mount Kit Stock Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Knucklehead Chrome Rocker Box Mount Kit Stock

VT-8778-12

$34.98

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V-Twin Manufacturing 36-47 Knucklehead Chrome Rocker Box Mount Kit Stock - Kit

Rocker box mount kit, stock, chrome finish are hex type to be used to mount rocker boxes on 1936-1947 Knucklehead.


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing 36-47 Knucklehead Cyl HD Bolt Washers Parkerized (10 Pc) Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Knucklehead Cyl HD Bolt Washers Parkerized (10 Pc)

VT-2010-10

$8.58

In Stock

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V-Twin Manufacturing 36-47 Knucklehead Cyl HD Bolt Washers Parkerized (10 Pc) - Set
Washers for 1936-47 OHV Knucklehead headbolts. 1936-47 OHV, Washers only 10 Pack Parkerized
V-Twin Manufacturing 36-47 Knucklehead Rocker-Arm Thrust Washer Set Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Knucklehead Rocker-Arm Thrust Washer Set

VT-7605-4

$25.75

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V-Twin Manufacturing 36-47 Knucklehead Rocker-Arm Thrust Washer Set - Pack

Knucklehead rocker arm thrust washer.

OEM: 17465-36


EL 1937-1940
FL 1941-1947
V-Twin Manufacturing 36-47 Knucklehead Rs Rocker Shaft Chrome Nut(4Pc) Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Knucklehead Rs Rocker Shaft Chrome Nut(4Pc)

VT-7110-8

$64.02

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V-Twin Manufacturing 36-47 Knucklehead Rs Rocker Shaft Chrome Nut(4Pc) - Set

Chrome rocker arm 4 piece shaft nut has a positive O ring seal to prevent oil leakage.

OEM: 17447-36


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing 36-47 Rocker Box Drain Tube Fitting Kit Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 36-47 Rocker Box Drain Tube Fitting Kit

VT-7705-4

$27.80

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V-Twin Manufacturing 36-47 Rocker Box Drain Tube Fitting Kit - Kit

Rocker box drain tube fitting kit.

OEM: 17320-38


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing 40-47 Knucklehead 74 Stock Head Bolt Cad Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 40-47 Knucklehead 74 Stock Head Bolt Cad

VT-7714-20

$75.28

In Stock

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V-Twin Manufacturing 40-47 Knucklehead 74 Stock Head Bolt Cad - Kit

Cadmium stock cylinder head bolt.


FL 1940-1947
V-Twin Manufacturing 40-47 Knucklehead Chrome HD Bolt Kit w-Washer Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 40-47 Knucklehead Chrome HD Bolt Kit w-Washer

VT-8220-20

$82.78

In Stock

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V-Twin Manufacturing 40-47 Knucklehead Chrome HD Bolt Kit w-Washer - Kit

Chrome head bolt with washer


FL 1940-1947
V-Twin Manufacturing 42-47 Knucklehead Oil Feed Line Fitting Cad Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 42-47 Knucklehead Oil Feed Line Fitting Cad

VT-8941-3

$35.29

In Stock

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V-Twin Manufacturing 42-47 Knucklehead Oil Feed Line Fitting Cad - Kit

Cadmium oil feed line fitting

OEM: 17325-42


FL 1942-1947
V-Twin Manufacturing 61" Rear Knucklehead Cylinder, 1936-47 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 61" Rear Knucklehead Cylinder, 1936-47

VT-11-0494

$189.03

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V-Twin Manufacturing 61" Rear Knucklehead Cylinder, 1936-47 - Sold Each

Rear cylinder fits Knucklehead 1936-1947 61" models. Cylinders are for stock bore, stock stroke and compression.
Cylinders must be honed to standard size for proper fit. Sold each. Piston is not included.
OEM: 16490-36


EL 1936-1940
V-Twin Manufacturing Cylinder-Piston Kit, 1936-47 61 7.5:1 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Cylinder-Piston Kit, 1936-47 61 7.5:1

VT-11-0506

$887.88

In Stock

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V-Twin Manufacturing Cylinder-Piston Kit, 1936-47 61 7.5:1 - Kit

Replica 61" Knucklehead cylinder set features iron cast construction, 4 fins, original markings with a black finish and are pre fitted with cast 7.5:1 pistons and rings.


EL 1936-1940
V-Twin Manufacturing Front Knuckle Cylinder 74", 1941-47 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Front Knuckle Cylinder 74", 1941-47

VT-11-0499

$195.04

In Stock

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V-Twin Manufacturing Front Knuckle Cylinder 74", 1941-47 - Sold Each

Front cylinder fits Knucklehead 1941-1947 74" models. Cylinders are for stock bore, stock stroke and compression.
Cylinders must be honed to standard size for proper fit. Sold each. Piston is not included.
OEM: 16483-41


FL 1941-1947

V-Twin Manufacturing Gary Bang Head Rocker Cover Gasket Kit Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Gary Bang Head Rocker Cover Gasket Kit

VT-15-0270

$23.75

In Stock

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V-Twin Manufacturing Gary Bang Head Rocker Cover Gasket Kit - Kit

Includes rocker cover front intake and rear exhaust gaskets.

OEM: 17535-38


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Gary Bang Oil Pump Gasket, Paper Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Gary Bang Oil Pump Gasket, Paper

VT-15-0338

$11.86

In Stock

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V-Twin Manufacturing Gary Bang Oil Pump Gasket, Paper - Pack

Paper oil pump gasket


R 1936-1936
WL 1937-1952
G 1937-1973
UL 1937-1948
V-Twin Manufacturing Knucklehead Gary Bang Rocker Arm Oil Seal Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Gary Bang Rocker Arm Oil Seal

VT-14-0172

$37.53

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V-Twin Manufacturing Knucklehead Gary Bang Rocker Arm Oil Seal - Pack

Knucklehead rocker arm shaft housing seal.

OEM: 17475-38


EL 1938-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead Lifter Block Set, Raw, STD Sifton Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Lifter Block Set, Raw, STD Sifton

VT-11-0575

$278.30

In Stock

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V-Twin Manufacturing Knucklehead Lifter Block Set, Raw, STD Sifton - Set

Natural finish tappet block set includes front and rear tappet blocks for Knucklehead engines.
Sold as a pair.
OEM: 18600-36


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead Replica Knucklehead Rocker Box 41-47 Alloy Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Replica Knucklehead Rocker Box 41-47 Alloy

VT-49-2601

$372.70

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V-Twin Manufacturing Knucklehead Replica Knucklehead Rocker Box 41-47 Alloy - Set

Replica raw Knucklehead rocker box set is alloy and has shape of the late 1946.

OEM: 17300-36


FL 1941-1947
V-Twin Manufacturing Knucklehead rocker arm shaft brass washer, OEM 6475 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead rocker arm shaft brass washer, OEM 6475

VT-12-0730

$29.04

In Stock

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V-Twin Manufacturing Knucklehead rocker arm shaft brass washer, OEM 6475 - Pack

Knucklehead rocker arm shaft brass washer

OEM: 6475


EL 1937-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead Rocker Arm Shaft, 4 Piece, STD Sifton Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Rocker Arm Shaft, 4 Piece, STD Sifton

VT-11-0540

$146.96

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V-Twin Manufacturing Knucklehead Rocker Arm Shaft, 4 Piece, STD Sifton - Set

Sifton Knucklehead rocker arm shaft standard

OEM: 17435-39


EL 1936-1940
FL 1941-1947

Tech Note:

Shovelhead rocker arm shims may be used on the left side of the Knucklehead rocker arms to adjust end play. Available as 12-07

V-Twin Manufacturing Knucklehead Rocker Box Strip Kit, Chrome Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Rocker Box Strip Kit, Chrome

VT-42-0983

$90.66

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V-Twin Manufacturing Knucklehead Rocker Box Strip Kit, Chrome - Kit

Chrome cover strip and gasket kit


EL 1937-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead Rocker Cover Strip & Gasket Kit, Zinc Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Rocker Cover Strip & Gasket Kit, Zinc

VT-7517-8

$69.83

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V-Twin Manufacturing Knucklehead Rocker Cover Strip & Gasket Kit, Zinc - Kit

Zinc rocker arm cover strip and gasket includes 8 strips, 4 gaskets and 34 screws.


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead Rocker Shaft Nuts, Parkerized Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead Rocker Shaft Nuts, Parkerized

VT-11-0818

$69.83

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V-Twin Manufacturing Knucklehead Rocker Shaft Nuts, Parkerized - Kit

Parkerized Knucklehead rocker arm shaft nuts

OEM: 17447-36


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Knucklehead-Rocker Cover Screw Set,Parkerized,34 Pcs Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Knucklehead-Rocker Cover Screw Set,Parkerized,34 Pcs

VT-37-0565

$27.15

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V-Twin Manufacturing Knucklehead-Rocker Cover Screw Set,Parkerized,34 Pcs - Set

Rocker box cover screw set with a parkerized finish.

OEM: 3477


EL 1936-1940 Knucklehead
FL 1941-1947
V-Twin Manufacturing Lower Valve Collar Set, 1936-47 Knucklehead Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Lower Valve Collar Set, 1936-47 Knucklehead

VT-11-0647

$42.89

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V-Twin Manufacturing Lower Valve Collar Set, 1936-47 Knucklehead - Set

Collar set for lower valve

OEM: 18222-36


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Lower Valve Spring Cup w-Chrome Top Cover, Chrome 1938-47 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Lower Valve Spring Cup w-Chrome Top Cover, Chrome 1938-47

VT-42-6175

$682.56

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V-Twin Manufacturing Lower Valve Spring Cup w-Chrome Top Cover, Chrome 1938-47 - Kit

Chrome lower valve spring cup set includes 4 piece set of lower covers with oil lines and nuts attached.
Kit also includes rocker cover strip set with screws and cover set with chrome finish for Knucklehead.


EL 1938-1940
FL 1941-1947
V-Twin Manufacturing Lower Valve Spring Cupset, Parkerized 1938-47 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Lower Valve Spring Cupset, Parkerized 1938-47

VT-42-6174

$682.56

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V-Twin Manufacturing Lower Valve Spring Cupset, Parkerized 1938-47 - Set

Parkerized lower valve spring cup set includes 4 piece set of lower covers with oil lines and nuts attached.
Kit also includes rocker cover strip set with screws and cover set with gaskets in parkerized finish for Knucklehead.


EL 1938-1940
V-Twin Manufacturing Oil Line Fitting Kit, Cadmium w-Washer, 1936-41 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Oil Line Fitting Kit, Cadmium w-Washer, 1936-41

VT-9848-9

$43.32

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V-Twin Manufacturing Oil Line Fitting Kit, Cadmium w-Washer, 1936-41 - Kit

Cadmium oil line fitting kit with washer.


EL 1936-1940
FL 1941-1941
V-Twin Manufacturing Oil Line Fitting Kit, Chrome w Washer, 1936-41 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Oil Line Fitting Kit, Chrome w Washer, 1936-41

VT-9847-9

$56.13

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V-Twin Manufacturing Oil Line Fitting Kit, Chrome w Washer, 1936-41 - Kit

Chrome oil line fitting kit with washer.


EL 1936-1940
FL 1941-1941
V-Twin Manufacturing Rear Knuckle Cylinder 74", 1941-47 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Rear Knuckle Cylinder 74", 1941-47

VT-11-0498

$196.47

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V-Twin Manufacturing Rear Knuckle Cylinder 74", 1941-47 - Sold Each

Rear cylinder fits Knucklehead 1941-1947 74" models. Cylinders are for stock bore, stock stroke and compression.
Cylinders must be honed to standard size for proper fit. Sold each. Piston is not included.
OEM: 16491-41


FL 1941-1947

T