Engine (4)

-€4.68

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Connecting rod, Oversize (+0.0006")

Includes short and long rollers. Sold in sets. Made in the USA.

€13.22 €17.90

-€3.07
Out of Stock

COMETIC Shift Shaft Tube Gasket — 1.52 mm (0.060"), primary spacer

Durable multilayer gasket with Viton®-coated layers for reliable sealing in shift tube applications.

€8.69 €11.76

Bearing Roller Set — Oversize (+0.0004")

-€5.21

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Oversize (+0.0004")

Includes short and long rollers; sold in sets; made in the USA.

€14.70 €19.91

-€9.32

EASTERN MOTORCYCLE PARTS Pinion Shaft Bushing — Standard, brass

Precision brass bushing for pinion shafts. Made from solid brass bar stock and manufactured in the U.S.A.

€26.35 €35.67

Bearing Roller Set — Connecting rod, outside diameter standard

-€5.21

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Connecting rod, outside diameter standard

Includes short and long rollers; sold as a set. Made in the USA.

€14.70 €19.91

Bearing Roller Set — Connecting rod, Oversize (+0.0004") outside diameter

-€5.21

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Connecting rod, Oversize (+0.0004")...

Includes short and long rollers. Sold in sets. Made in the USA.

€14.70 €19.91

-€5.21

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Connecting rod, Oversize (+0.001")

Includes short and long rollers; sold in sets. Made in the USA.

€14.70 €19.91

-€5.21

EASTERN MOTORCYCLE PARTS Bearing Roller Set — Oversize (+0.002"), Connecting rod

Includes short and long rollers. Sold in sets. Made in the USA.

€14.70 €19.91

Extreme Sealing Technology Complete Gasket Kit — 1.02 mm (0.040"), For '70-'84 Shovelhead

-€31.65

COMETIC Extreme Sealing Technology Complete Gasket Kit — 1.02 mm...

Complete gasket kit with MLS head gaskets, Steel Viton-coated base gaskets, blue Viton stem seals and AFM exhaust gaskets. Includes motor, primary, derby and inspection cover gaskets. Made in USA.

€89.51 €121.16

-€2.60

EASTERN MOTORCYCLE PARTS Cam Shims — 0.007", 10 pack

Precision shims for accurate cam end play setup. A must when setting up new cams. Made in the USA.

€7.35 €9.95

-€9.32
Out of Stock

EASTERN MOTORCYCLE PARTS Cam Cover Bushing — A-25581-36

Precision-machined bushing for cam cover applications. Durable, low-friction design. Made in the U.S.A.

€26.35 €35.67

-€4.69

EASTERN MOTORCYCLE PARTS Cam Gear Thrust Washers — 0.050"

Absorbs axial loads on the camshaft; precision machined and made in the USA.

€13.30 €17.99

-€11.47

EASTERN MOTORCYCLE PARTS Bearing — 5-speed Big Twins, open end, 4-pack

Replacement mainshaft bearing for 5-speed Big Twins; precision fit and durable construction.

€32.43 €43.90

Cam Gear Thrust Washers — 0.075", 5 pack

-€4.69

EASTERN MOTORCYCLE PARTS Cam Gear Thrust Washers — 0.075", 5 pack

Absorbs axial camshaft loads; precision machined and made in the USA.

€13.30 €17.99

Cam Gear Thrust Washers — 0.080" thickness, 5 Pack

-€4.69

EASTERN MOTORCYCLE PARTS Cam Gear Thrust Washers — 0.080" thickness, 5 Pack

Precision-machined thrust washers that absorb axial camshaft loads and reduce wear.

€13.30 €17.99

-€9.39

EASTERN MOTORCYCLE PARTS Bearing — Closed end

Replacement mainshaft bearing for 5-speed Big Twins.

€26.52 €35.91

-€7.30

EASTERN MOTORCYCLE PARTS Bearing — Open End

Replacement mainshaft bearing for 5-speed Big Twins.

€20.60 €27.90

-€6.24

EASTERN MOTORCYCLE PARTS Bearing — mainshaft replacement for 5-speed Big Twins

Replacement mainshaft bearing for 5-speed Big Twins. Precision fit for reliable shifting and reduced end play.

€17.66 €23.90

-€13.05

EASTERN MOTORCYCLE PARTS Bearing — mainshaft bearing for 5-speed Big Twins, open end

Replacement mainshaft bearing for 5-speed Big Twins.

€36.86 €49.91

Idler Gear & Circuit Breaker Bushings — fits '36-'69 Big Twin, '32-'73 45"

-€5.71

EASTERN MOTORCYCLE PARTS Idler Gear & Circuit Breaker Bushings — fits '36-'69 Big Twin,...

Circuit breaker and idler gear bushings for '36-'69 Big Twin
Idler gear bushings for '32-'73 45"
Made in the USA

€16.17 €21.88

-€5.21

EASTERN MOTORCYCLE PARTS Bearing — Closed End

Replacement mainshaft bearing for 5-speed Big Twins.

€14.70 €19.91

Retaining Ring — 4 Speed, Third Gear Main Shaft, Silver

-€2.59

EASTERN MOTORCYCLE PARTS Retaining Ring — 4 Speed, Third Gear Main Shaft, Silver

High-quality OEM replacement component for reliable performance and precise fit.

€7.33 €9.92

Extreme Sealing Technology Complete Gasket Kit — 3.250" bore, 0.81 mm (0.032")

-€33.30

COMETIC Extreme Sealing Technology Complete Gasket Kit — 3.250" bore,...

Complete gasket kit with MLS head gaskets, steel Viton‑coated base gaskets, blue Viton valve stem seals, AFM race-style exhaust gaskets; includes motor, primary, derby and inspection cover gaskets. Made in the USA.

€113.08 €146.38

Extreme Sealing Technology Complete Gasket Kit — 3.625" bore, '70–'84 Shovelhead

-€53.89

COMETIC Extreme Sealing Technology Complete Gasket Kit — 3.625" bore,...

Complete gasket kit with MLS head gaskets, Viton-coated base gaskets, AFM exhaust gaskets and valve stem seals; made in the USA.

€152.44 €206.33

-€5.69

COMETIC Primary Gasket Kit — Primary cover, 1.52 mm (0.060")

Complete primary gasket kit includes gaskets, seals and O-rings for inner and outer primary. High heat resistance, strong shape recovery, no sealer required. Made in USA.

€19.27 €24.96

-€1.14
Out of Stock

COMETIC Rocker Cover Gasket — 0.79 mm thickness, pair

High-quality rocker cover gasket for long-term reliability and fuel resistance. Made in the USA.

€3.19 €4.33

-€4.39

COMETIC Cylinder Head Gasket — Cylinder head, 0.81 mm (0.032")

Durable cylinder head gasket engineered for reliable sealing and long service life.

€12.47 €16.86

-€1.15
Out of Stock

COMETIC Intake Manifold Seal — cylinder head, intake manifold fitment

Durable seal for reliable long-term sealing in the engine intake system. Made in the USA.

€3.25 €4.40

Primary Gasket Kit — 1.52 mm (0.060"), AFM (Aluminum Foam Material)

-€5.07
Out of Stock

COMETIC Primary Gasket Kit — 1.52 mm (0.060"), AFM (Aluminum Foam...

Complete primary gasket kit with all gaskets, seals and O-rings for inner and outer primary. Heat resistant above 205°F with ~85% shape recovery; does not require gasket sealer. Made in USA.

€14.34 €19.41

-€3.87

COMETIC Cylinder Base Gasket — 3.1875 in bore, 0.51 mm thickness, pair

High-quality cylinder base gasket with Viton® coating for fuel resistance and long-term reliability. Made in the USA.

€15.05 €18.92

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine