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Motor Parts Knucklehead 1936-1947

Motor Parts For Harley-Davidson Knuckleheads 1936-1947
1112-36 Threaded Cylinder Head to Manifold Intake Nipple Colony USA 9513-1

1112-36 Threaded Cylinder Head to Manifold Intake Nipple Colony USA 9513-1

$ 20.73Sold Out
14-36 Parkerized Head Bolt Kit 9725-20 Colony USA

14-36 Parkerized Head Bolt Kit 9725-20 Colony USA

$ 58.26
16770-36 Old 12-36 Copper Head Gaskets for Knuckleheads

16770-36 Old 12-36 Copper Head Gaskets for Knuckleheads

$ 19.50
16770-36A OR 12-36 KNUCKLEHEAD TEFLON HEAD GASKETS

16770-36A OR 12-36 KNUCKLEHEAD TEFLON HEAD GASKETS

$ 4.00
16770-36B Old 12-36 Knucklehead Teflon Head Gaskets USA

16770-36B Old 12-36 Knucklehead Teflon Head Gaskets USA

$ 15.95
16814-40 Old 14-40 Parkerized Head Bolt Set 9726-20 Colony USA

16814-40 Old 14-40 Parkerized Head Bolt Set 9726-20 Colony USA

$ 64.09
16814-40A Old 14-40 Parkerized Head Bolt Set CP1035 3127-20 Colony USA

16814-40A Old 14-40 Parkerized Head Bolt Set CP1035 3127-20 Colony USA

$ 76.99
16853-38C Old 2806-38C 1940-1947 Chrome Knucklehead Top Motor Mount USA

16853-38C Old 2806-38C 1940-1947 Chrome Knucklehead Top Motor Mount USA

$ 57.80
17475-38 Old 120-38 Rocker Arm Oil Seal USA Made

17475-38 Old 120-38 Rocker Arm Oil Seal USA Made

$ 7.95
17535-38 Old 175-38 Gasket for Tin Rocker Arm Covers USA

17535-38 Old 175-38 Gasket for Tin Rocker Arm Covers USA

$ 1.95
17537-38 Old 175-38A Gasket for Tin Rocker Arm Covers USA

17537-38 Old 175-38A Gasket for Tin Rocker Arm Covers USA

$ 1.95
17539-38 Old 175-38B Gasket for Tin Rocker Arm Covers USA

17539-38 Old 175-38B Gasket for Tin Rocker Arm Covers USA

$ 1.95
17905-36A Old 131-36 Pushrod Kit for 74 in.³ Knuckleheads

17905-36A Old 131-36 Pushrod Kit for 74 in.³ Knuckleheads

$ 93.78
17947-36 Old 140-36 Push Rod Cover Spring USA

17947-36 Old 140-36 Push Rod Cover Spring USA

$ 1.30
18071-36 Old 163-36 Intake Valve Nitride

18071-36 Old 163-36 Intake Valve Nitride

$ 25.96
18071-36X Old 163-36 1/8" Oversize Intake Valve Nitride

18071-36X Old 163-36 1/8" Oversize Intake Valve Nitride

$ 24.95
18081-36 Old 165-36 Exhaust Valve

18081-36 Old 165-36 Exhaust Valve

$ 24.95
18081-36X Old 165-36 Oversize Exhaust Valve

18081-36X Old 165-36 Oversize Exhaust Valve

$ 24.95
18203-36 Old 168-36 Complete Replacement Knucklehead Valve Springs Set

18203-36 Old 168-36 Complete Replacement Knucklehead Valve Springs Set

$ 121.95
18228-36 Old 172-36 Valve Spring Retainer Keys Set Both Cylinders USA Made

18228-36 Old 172-36 Valve Spring Retainer Keys Set Both Cylinders USA Made

$ 13.45
18228-36 Old 172-36 Valve Springer Keepers USA

18228-36 Old 172-36 Valve Springer Keepers USA

$ 15.50
1940-1947 COMPLETE KNUCKLEHEAD PARKERIZED PUSH ROD COVER KIT USA MADE!

1940-1947 COMPLETE KNUCKLEHEAD PARKERIZED PUSH ROD COVER KIT USA MADE!

$ 149.32
1940-1947 KNUCKLEHEAD CHROME PUSHROD COVER KIT COMPLETE

1940-1947 KNUCKLEHEAD CHROME PUSHROD COVER KIT COMPLETE

$ 149.32
22141-55 - 22196-55 1200cc 74ci High Compression Pistons - STD-+.070 Bore/8.5:1 Ratio

22141-55 - 22196-55 1200cc 74ci High Compression Pistons - STD-+.070 Bore/8.5:1 Ratio

$ 91.95
22141-74 1200cc 74ci Low Compression Pistons - 3.437 STD - +040 in. Bore/7.5:1 Ratio

22141-74 1200cc 74ci Low Compression Pistons - 3.437 STD - +040 in. Bore/7.5:1 Ratio

$ 91.95
22325-55C 1200CC 74CI Piston Rings STD - +.070 Bore CAST USA MADE

22325-55C 1200CC 74CI Piston Rings STD - +.070 Bore CAST USA MADE

From $ 38.95
22325-55M 1200CC 74CI Piston Rings STD - +.070 MOLY USA MADE

22325-55M 1200CC 74CI Piston Rings STD - +.070 MOLY USA MADE

From $ 50.95
24366-51 Old 301-51 NOS Steel Rod Roller Retainer Genuine Harley-Davidson

24366-51 Old 301-51 NOS Steel Rod Roller Retainer Genuine Harley-Davidson

$ 42.50
24366-71 & 24367-71 Aluminum Rod Roller Retainer Kit

24366-71 & 24367-71 Aluminum Rod Roller Retainer Kit

$ 34.95
24641-36 Old 412-36 Oil Pump Shaft Bushing

24641-36 Old 412-36 Oil Pump Shaft Bushing

$ 22.99
24721-30 BEARING CAGE SMALL

24721-30 BEARING CAGE SMALL

$ 32.83
24911-36 OR 543-36 KNUCKLEHEAD CRANK CASE BREATHER TUBE COLONY 2988-3

24911-36 OR 543-36 KNUCKLEHEAD CRANK CASE BREATHER TUBE COLONY 2988-3

$ 31.90
25225-36A Old 598-36 Cam Cover Gasket Paper

25225-36A Old 598-36 Cam Cover Gasket Paper

$ 7.95
25225-36AF Old 598-36 Cam Cover Gasket AFM

25225-36AF Old 598-36 Cam Cover Gasket AFM

$ 8.95
25275-36 OLD 585-36 CRANKCASE BREATHER SCREEN

25275-36 OLD 585-36 CRANKCASE BREATHER SCREEN

$ 3.90
25279-36 OLD 585-36A BREATHER SEPARATOR

25279-36 OLD 585-36A BREATHER SEPARATOR

$ 3.98
26245-41 Old 589-41 Oil Pump To Crank Case Gasket

26245-41 Old 589-41 Oil Pump To Crank Case Gasket

$ 6.00
26257-50 Oil Pump Outer Cover Gasket

26257-50 Oil Pump Outer Cover Gasket

$ 10.00
26551-39 Old 480-39 OHV Oil Pressure Switch

26551-39 Old 480-39 OHV Oil Pressure Switch

$ 33.95
27039-48 Old 1112-40 Threaded Cylinder Head to Manifold Nipple Colony USA 7119-2

27039-48 Old 1112-40 Threaded Cylinder Head to Manifold Nipple Colony USA 7119-2

$ 23.11
27050-30 old 1115-30 Cadmium Plated Intake Manifold Nuts Colony USA 8007-2

27050-30 old 1115-30 Cadmium Plated Intake Manifold Nuts Colony USA 8007-2

$ 29.33Sold Out
27052-40 Old1115-40 Cadmium Plated Intake Manifold Nuts Colony USA 7614-2

27052-40 Old1115-40 Cadmium Plated Intake Manifold Nuts Colony USA 7614-2

$ 42.79
27052-40A Old 1115-40A Parkerized Intake Manifold Nuts Colony USA 9718-2

27052-40A Old 1115-40A Parkerized Intake Manifold Nuts Colony USA 9718-2

$ 31.79Sold Out
2806-36 1936-1937 KNUCKLEHEAD TOP MOTOR MOUNT BRAZED & PARKERIZED

2806-36 1936-1937 KNUCKLEHEAD TOP MOTOR MOUNT BRAZED & PARKERIZED

$ 52.70
2806-38A 16853-38 1938-1939 KNUCKLEHEAD TOP MOTOR MOUNT WELDED & PARKERIZED

2806-38A 16853-38 1938-1939 KNUCKLEHEAD TOP MOTOR MOUNT WELDED & PARKERIZED

$ 52.70Sold Out
2806-38B 16853-38 1940-1947 KNUCKLEHEAD TOP MOTOR MOUNT PARKERIZED

2806-38B 16853-38 1940-1947 KNUCKLEHEAD TOP MOTOR MOUNT PARKERIZED

$ 52.70
2955-34 179-38 Rocker Arm Cover Screw Kit 1938 EL Only

2955-34 179-38 Rocker Arm Cover Screw Kit 1938 EL Only

$ 52.36
3189-4 Chrome Rocker Arm Shafts Knucklehead Nut Set

3189-4 Chrome Rocker Arm Shafts Knucklehead Nut Set

$ 65.99
3190-4 Cadmium Plated Rocker Arm Shafts Knucklehead Nut Set

3190-4 Cadmium Plated Rocker Arm Shafts Knucklehead Nut Set

$ 66.50
3191-4 Parkerized Rocker Arm Shafts Knucklehead Nut Set

3191-4 Parkerized Rocker Arm Shafts Knucklehead Nut Set

$ 65.99