Engine (9)

-€11.29

COMETIC Exhaust Port Gasket — Exhaust Port, 10 Pack

Durable exhaust port gasket kit engineered for leak-free sealing and high-temperature resilience. Made in the USA.

€38.32 €49.61

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

Primary Gasket Pack — 1.52 mm (0.060"), 5 Pack, Aluminum Foam Material

-€42.55

COMETIC Primary Gasket Pack — 1.52 mm (0.060"), 5 Pack, Aluminum Foam...

High-quality primary gasket pack with multiple gasket types for durable, fuel-resistant sealing. Made in the U.S.A.

€120.25 €162.80

Replacement Piston Rings — Piston size +0.005", bore 3.937", displacement 107"

-€14.17

HASTINGS Replacement Piston Rings — Piston size +0.005", bore 3.937",...

Complete replacement ring set for two pistons, including barrel‑face top rings, Napier second rings, and three‑piece oil control rings for improved sealing and oil economy.

€55.10 €69.27

$Primary Gasket Pack — Aluminum foam core, 1.52 mm (0.060\"), 5-pack$

-€45.35

COMETIC Primary Gasket Pack — Aluminum foam core, 1.52 mm (0.060\"),...

High-quality gasket pack for reliable, long-term sealing. Multiple constructions available—including EST, MLS, composite, and aluminum-core foam—made in the USA.

€128.28 €173.63

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

-€5.22

COMETIC Air Filter Backplate Gasket — 1.52 mm (0.060"), 10 Pack

Reliable backplate gasket with aluminum foam core and nitrile coating; no sealant required. Made in the USA.

€14.80 €20.02

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

EFI Throttle Body to Backing Plate Mount Gasket — 1.52 mm (0.060"), 10 pack

On sale!
-€8.30

COMETIC EFI Throttle Body to Backing Plate Mount Gasket — 1.52 mm...

Precision mount gasket for sealing an EFI throttle body to a backing plate. Aluminum-core foam with nitrile rubber coating; no sealer required. Made in the USA.

€11.99 €20.29

-€14.66

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

Complete set of top and second compression rings plus three‑piece oil control rings for two pistons; PVD coated and made in the USA.

€57.01 €71.67

-€6.88

COMETIC Rocker Gasket — Upper, 5-pack

High-quality construction for long-term reliability.
Fuel-resistant materials resist creep and cracking.
Stainless steel core with a 0.001-inch coating on both sides.
Made in the USA.

€23.40 €30.28

-€6.88

COMETIC Rocker Gasket — Upper mount, 5-pack

Premium rocker gasket for long-term reliability and fuel resistance. Stainless steel core with a .001" rubber coating on both sides.

€23.40 €30.28

-€1.49

EASTERN MOTORCYCLE PARTS Piston Pin Clips — 10 pack

Replacement for a wide variety of Harley models.
Quality equals or exceeds OEM specifications.
Made in the USA.

€4.22 €5.71

-€5.10

COMETIC Rocker Gasket — Inner mounting, 5-pack, Viton

High-quality rocker gasket engineered for long-term reliability and fuel resistance.

Stainless steel core with a 0.001" coating for a durable seal. Made in the USA.

€14.44 €19.54

-€8.02

COMETIC Rocker Gasket — lower mounting

Premium fuel-resistant engine seals with stainless steel core and durable rubber coating. Made in the USA.

€22.72 €30.74

-€1.41

S&S CYCLE Wrist Pin Circlips — Piston, 4 Pack

Durable retaining rings for wrist-pin applications; precision-formed for reliable fit and service life.

€5.50 €6.91

-€8.02

COMETIC Rocker Gasket — Viton, Lower mount, 5-pack

Precision-molded rocker gasket made from fuel-resistant materials for dependable sealing. Made in USA.

€22.72 €30.74

-€1.56

COMETIC Tappet Gasket — 0.81 mm (0.032"), Rear, 10 Pack, AFM

High-quality tappet gasket made from fuel-resistant materials for long-term reliability. Does not require gasket sealer. Made in the USA.

€5.27 €6.83

-€84.67

FEULING OIL PUMP CORP. High Flow Camplate — 7075 billet aluminum, gear drive

The High Flow Camplate increases oil flow and cooling, is pressure tested with a 55-60 psi relief setting, includes bearing and retainer plate hardware, and is for use with Feuling® oil pumps only.

€329.27 €413.94

-€1.88

COMETIC Tappet Gasket — 0.81 mm, Tappet Guide, 10 Pack

Durable tappet gasket designed for reliable sealing and long service life; made in the USA.

€6.36 €8.24

-€34.97

S&S CYCLE Crankcase Breather Reed Valve — Standard thread size, silver

New-style reed valve that opens on demand to improve performance and prevent high-rpm oil carryover. Fast, simple installation. Made in the USA.

€135.99 €170.96

-€37.15

S&S CYCLE Crankcase Breather Reed Valve — +0.030" thread, Silver

Reed-style breather valve that opens on demand to reduce oil carryover and simplify installation.

€144.49 €181.64

Out of Stock

COMETIC Cylinder Head Gasket

A high-quality Cylinder Head Gasket designed for Harley-Davidson, featuring a stainless steel shim layer and Viton-coated outer layers for durability and performance.

€46.68

Super Stock® Alternator Style Engine Case — 3.5" bore, fits up to 5" stroke, Black powder-coated

-€395.04

S&S CYCLE Super Stock® Alternator Style Engine Case — 3.5" bore, fits up...

3.5" stock bore alternator-style engine case; fits up to 5" stroke. Machined for EFI and includes complete hardware kit. Made in the USA.

€1,536.27 €1,931.31

-€5.28

COMETIC Cam Service Gasket Kit — COMETIC, C9623F, EST

Complete gasket kit for cam service. Includes gaskets, seals, O-rings and cork washers. Made in the USA.

€14.92 €20.20

-€4.37

COMETIC Cam Service Gasket Kit — Cam change

Complete set of gaskets, seals, O-rings and cork washers needed for a cam change. Made in the USA.

€14.88 €19.25

-€1.86

COMETIC Starter O-Ring — 10 Pack, Nitrile Rubber

High-quality sealing components for reliable starter operation.

€5.26 €7.12

Starter Gasket — 0.81 mm (0.032") thickness, starter housing, 10-pack

-€1.88

COMETIC Starter Gasket — 0.81 mm (0.032") thickness, starter housing,...

High-quality construction for long-term reliability; fuel-resistant materials; made in the USA.

€6.36 €8.24

-€10.26

COMETIC Top End Gasket Kit — 0.81 mm, 4-Stroke

Complete top-end gasket kit with MLS and EST options for high-output 4-stroke engines. Includes head and base gaskets plus essential O-rings. Made in the USA.

€29.03 €39.29

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company