Engine

-€2.51

EASTERN MOTORCYCLE PARTS Cam Shims — 0.015", 10-pack

Essential shims for setting up new cams. Made in the USA.

€7.09 €9.60

-€4.58

EASTERN MOTORCYCLE PARTS Cam Shims — 0.45", 5-pack

Precision cam shims for accurate valve adjustment. Made in the U.S.A.

€12.93 €17.51

-€11.22

EASTERN MOTORCYCLE PARTS Cam Drive Sprocket Spacers — 6-pack, sizes 0.100"–0.150"

Precision spacers for cam drive sprockets. Made in the U.S.A.; check alignment and torque during installation.

€31.73 €42.95

$Replacement Piston Rings — 3.750\" bore, standard$

-€6.92

HASTINGS Replacement Piston Rings — 3.750\" bore, standard

Complete replacement set includes top and second compression rings plus three-piece oil control rings; restores sealing and oil control for two pistons.

€26.90 €33.82

Replacement Piston Rings — 3.750 in bore, +0.010 in oversize, moly coated

-€5.67

HASTINGS Replacement Piston Rings — 3.750 in bore, +0.010 in oversize,...

Complete replacement ring set with top and second compression rings plus three-piece oil control rings. Restores compression, controls oil, and improves oil economy. Includes enough rings for two pistons. Made in the USA.

€22.06 €27.73

-€8.32

HASTINGS Replacement Piston Rings — +0.020 in, Moly coated

Includes top and second compression rings plus three-piece oil control rings; enough for two pistons.

€32.36 €40.68

-€4.90

HASTINGS Replacement Piston Rings — HASTINGS, Set

Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.

€19.06 €23.96

-€4.96

HASTINGS Replacement Piston Rings — 3.498" bore, +0.040" oversize

Complete set of top, second, and oil control rings for two pistons. Barrel face top rings, reverse torsional second rings, and three-piece oil control rails. Made in USA.

€19.26 €24.22

Replacement Piston Rings — 3.937" bore, 107 cu in displacement, Standard piston size

-€8.18

HASTINGS Replacement Piston Rings — 3.937" bore, 107 cu in...

Complete replacement ring set for two pistons with PVD coating and three-piece oil control rings.

€31.78 €39.96

Replacement Piston Rings — Bore 3.937", Piston +0.010", Displacement 107"

-€13.81

HASTINGS Replacement Piston Rings — Bore 3.937", Piston +0.010",...

Complete replacement piston ring set for two pistons; includes PVD-coated barrel-face top rings, Napier second rings, and three-piece oil control rings. Made in the USA.

€53.73 €67.54

Replacement Piston Rings — 4.000" bore, Standard piston size, 114" displacement

-€10.61

HASTINGS Replacement Piston Rings — 4.000" bore, Standard piston size,...

Complete replacement set with top, second, and three-piece oil control rings; PVD coating on top rings; includes rings for two pistons.

€41.24 €51.85

Replacement Piston Rings — Piston size +0.005", Bore 4.000", Displacement 114"

-€12.73

HASTINGS Replacement Piston Rings — Piston size +0.005", Bore 4.000",...

Complete replacement set with PVD-coated barrel face top rings, Napier second rings, and three-piece oil control for improved sealing and oil economy.

€49.51 €62.24

-€14.66

HASTINGS Replacement Piston Rings — +0.010" piston, 4.000" bore, 114 cu in

Complete set for two pistons: top barrel-face compression rings, Napier second rings, and three-piece Flex Vent oil rings. PVD-coated faces for improved wear and heat transfer.

€57.01 €71.67

-€1.49

EASTERN MOTORCYCLE PARTS Piston Pin Clips — 10-pack, A-22097-99

Direct-fit piston pin clips for many Harley models. Made in the USA and built to OEM-equivalent standards.

€4.22 €5.71

-€6.72

ALLOY ART Compression Release Adapter — 14 mm (3/4"), Straight

Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.

€18.99 €25.71

-€6.72

ALLOY ART Compression Release Adapter — 12 mm (3/4")

Designed for twin plug heads. Accepts .650"/10 mm x 1.0 compression release valves. Sold each. Made in the U.S.A.

€18.99 €25.71

-€5.00

EASTERN MOTORCYCLE PARTS Oil Screens — 5-pack

Precision mesh oil screens that trap debris and protect oil passages. Made in the U.S.A.

€14.11 €19.11

-€11.74

EASTERN MOTORCYCLE PARTS Motor Sprocket Shaft Spacer — A-24008-99

Precision-machined spacer for motor sprocket shafts. Made in the USA.

€33.17 €44.91

-€7.41

EASTERN MOTORCYCLE PARTS Counterbalance Shaft Bearing — Left mount

High-quality replacement bearing for counterbalance shafts. Made in the U.S.A.

€20.97 €28.38

-€6.88

EASTERN MOTORCYCLE PARTS Counterbalance Shaft Bearing — Right mount, A-8991

Precision counterbalance shaft bearing — high-quality replacement; made in the U.S.A.

€19.47 €26.35

-€4.58

EASTERN MOTORCYCLE PARTS Right Side Crankcase Bearing Washers — Right, 5 pack

Precision support discs for motorcycle bearing assemblies. Durable steel construction with corrosion-resistant finish. Made in the U.S.A.

€12.93 €17.51

-€8.08

EASTERN MOTORCYCLE PARTS Dowel Pins — 0.434" x 0.500" L, 10 pack

Replacement dowel pins for precise alignment and secure assembly.

€22.84 €30.92

-€2.53

EASTERN MOTORCYCLE PARTS Push Rod Tube Washers — 10 Pack

Precision-fit components that seal and secure engine tube assemblies. Made in the USA.

€7.15 €9.68

-€4.15

EASTERN MOTORCYCLE PARTS Transmission Lock Tab Washers — 10-pack, A-35050-40

Replace during transmission service to maintain secure lock tab fastening.

€11.74 €15.89

-€7.13

EASTERN MOTORCYCLE PARTS Knucklehead Oil Line — Chrome

Direct-fit replacement oil line for Knucklehead engines that simplifies routing and maintenance.

€20.16 €27.29

Left Side Sprocket Shaft Bearing Kit — EASTERN MOTORCYCLE PARTS, A-24004-03

-€30.82

EASTERN MOTORCYCLE PARTS Left Side Sprocket Shaft Bearing Kit — EASTERN MOTORCYCLE...

Left side sprocket shaft bearing kit for maintenance and rebuilds. Bearing and bearing race sold separately.

€87.10 €117.92

-€5.08

EASTERN MOTORCYCLE PARTS Cam Support Plate/Cover Bushing — Cam

OEM bushing for cam support plate and cover. Made in the USA.

€14.34 €19.42

-€7.65

EASTERN MOTORCYCLE PARTS Flywheel Thrust Washers — +0.005"

Meets or exceeds OEM specification.

Replacement-type, made in the USA.

€21.60 €29.25

-€7.57

EASTERN MOTORCYCLE PARTS Connecting Rod Races — Set of 3

Precision races for dependable engine performance. Made in the USA.

€21.40 €28.97

-€30.29

EASTERN MOTORCYCLE PARTS Crankcase Main Bearings — main crankshaft, roller

Precision crankcase main bearings — OEM-equal quality, made in the U.S.A.

€85.60 €115.89

shop by category

Engine

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine