Engine (7)

-€8.36
Out of Stock

EASTERN MOTORCYCLE PARTS Retaining Washers — Standard size

Precision metal rings for securing fasteners; manufactured in the U.S.A., suitable for automotive and general use.

€23.64 €32.00

-€6.26

EASTERN MOTORCYCLE PARTS Main Shaft Washers — 5 pack, silver

Replacement main shaft washers for maintenance and repairs.

€17.70 €23.96

-€6.26

EASTERN MOTORCYCLE PARTS Main Shaft Washers — Size +.015"

Replacement main shaft washers for reliable spacing and smooth shifting.

€17.70 €23.96

Thrust Washers — 4-speed, countershaft, 5-pack

-€6.26

EASTERN MOTORCYCLE PARTS Thrust Washers — 4-speed, countershaft, 5-pack

Precision thrust washers reduce axial play and extend transmission life.

€17.70 €23.96

Countershaft Bearing Retainer Washers — 5 pack, inner, silver

-€5.74

EASTERN MOTORCYCLE PARTS Countershaft Bearing Retainer Washers — 5 pack, inner, silver

Replacement bearing retainer washers for secure bearing retention.

€16.22 €21.96

$Mainshaft Retaining Washers — 1.65 mm (0.065\"), 4-Speed, 5 Pack$

-€8.36

EASTERN MOTORCYCLE PARTS Mainshaft Retaining Washers — 1.65 mm (0.065\"), 4-Speed, 5 Pack

Replacement retaining washers for 4-speed Big Twins. Packaged for easy maintenance and repairs.

€23.64 €32.00

Mainshaft Retaining Washers — 1.78 mm thickness, 4-speed, 5 pack

-€8.36

EASTERN MOTORCYCLE PARTS Mainshaft Retaining Washers — 1.78 mm thickness, 4-speed, 5 pack

Replacement retaining washers for Big Twins.

€23.64 €32.00

Tappet Roller Kit — Chromoly Steel, 52100 Steel

-€10.11

JIMS Tappet Roller Kit — Chromoly Steel, 52100 Steel

Precision tappet roller kit for reliable valve-train performance and easy installation. Made in the U.S.A.

€39.28 €49.39

-€13.38
Out of Stock

JIMS Oil Pump Drive Shaft — JIMS 26346-36

Precision-ground oil pump drive shaft replacement, made in the U.S.A.

€52.03 €65.41

Oil Pump Component — JIMS, Gear drive oil pump, 26315-68A

-€17.22

JIMS Oil Pump Component — JIMS, Gear drive oil pump, 26315-68A

Replacement oil pump component for Big Twin models; restores gear-driven oil flow and pressure. Inspect seals and clearances during install.

€48.73 €65.95

-€38.38
Out of Stock

JIMS Right-Side Crankcase Bushing — Size +0.002"

Right-side crankcase bushing with 360° oiling and precision fit; made in the U.S.A., recommended for professional rebuilds.

€149.24 €187.62

-€190.60

JIMS Flow Pro 1 Billet Oil Pump Complete Assembly — Polished

Complete oil pump assembly with CNC-machined feed and return gears; includes all seals and mounting hardware. Verify motor case thread size before installation.

€741.22 €931.82

-€51.39
Out of Stock

JIMS Valve Spring Kit — 0.600" lift

Interference double-spring design with damper for harmonic control.
Includes locks, retainers and spring seats.
Built for severe service and high-compression engines.

€199.83 €251.22

-€3.93
Out of Stock

JIMS Cam Cover O-Ring — Large, Twin Cam

Seals cam covers to prevent oil leaks. Fits most cam covers. Made in the U.S.A.

€15.31 €19.24

-€1.27

JIMS Cam Cover O-Ring — Small, Twin Cam

Seals cam covers to prevent oil leaks. Fits most cam covers. Made in the U.S.A.

€4.97 €6.24

High-Performance Piston Kit — +0.040" oversize, 3.228" bore, 10.0:1 compression

-€76.34

WISECO High-Performance Piston Kit — +0.040" oversize, 3.228" bore,...

Forged high-silicon aluminum piston kit including rings, retainer clips and chrome piston pins for reliable top-end rebuilds.

€216.00 €292.34

High-Performance Piston Kit — Bore 3.447", Compression Ratio 9.0:1, 1213 cc

-€76.34

WISECO High-Performance Piston Kit — Bore 3.447", Compression Ratio...

Forged high-silicon aluminum piston kit with X-ring package, rings, chrome pins and retainer clips; made in the USA.

€216.00 €292.34

High-Performance Piston Kit — 3.495" piston, 4-1/4" stroke, 1340 cc

-€84.82

WISECO High-Performance Piston Kit — 3.495" piston, 4-1/4" stroke,...

Complete top-end piston kit with X-Ring package, hardware, and U.S.-made pistons for performance rebuilds.

€239.99 €324.81

$High-Performance Piston Kit — Bore 3.537\", Stroke 4.25\", 9.5:1 compression, 1340 cc$

-€84.82

WISECO High-Performance Piston Kit — Bore 3.537\", Stroke 4.25\",...

Forged high-silicon aluminum pistons; complete rebuild kit with X‑Ring set and hardware.

€239.99 €324.81

High-Performance Piston Kit — 3.5055" piston, 1340 cc, 4-1/4" stroke

-€86.89

WISECO High-Performance Piston Kit — 3.5055" piston, 1340 cc, 4-1/4"...

Complete top-end piston kit with X-Ring set, retainer clips and chrome piston pins. Made in the USA.

€245.85 €332.74

High-Performance Replacement Wrist Pin — 55.9 mm length, 20 mm outside diameter, piston

-€5.69

WISECO High-Performance Replacement Wrist Pin — 55.9 mm length, 20 mm...

High-performance wrist pin designed for improved strength and reduced thermal expansion.

€16.10 €21.79

High-Performance Replacement Wrist Pin — 70 mm length, 20 mm outside diameter

-€5.69

WISECO High-Performance Replacement Wrist Pin — 70 mm length, 20 mm...

Precision replacement wrist pin engineered for high-stress engine use, offering improved strength and thermal stability.

€16.10 €21.79

High-Performance Replacement Ring Set — Bore 3.875", Displacement 95", VM Series

-€12.14

WISECO High-Performance Replacement Ring Set — Bore 3.875",...

Includes rings for one piston only; fits only matching pistons from the same manufacturer.

€34.35 €46.49

Flywheel-Side Motor Sprocket Shaft Nut — 1-1/8-16 thread

-€11.73

JIMS Flywheel-Side Motor Sprocket Shaft Nut — 1-1/8-16 thread

Heavy-duty nut fits the flywheel-side of the sprocket shaft. Precision threaded for direct fit. Made in the U.S.A.

€24.36 €36.09

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