Engine (5)

-€0.61

COMETIC Oil Pump O-Ring — Viton, P/N C9684

High-quality o-ring designed for durable sealing in oil systems.

Fuel-resistant materials for longevity.
Manufactured in the U.S.A.

€2.13 €2.74

-€1.82

COMETIC Pushrod Tube O-Ring Kit — Pushrod Tube, Viton

Viton® O-ring seals; correct quantity for one engine; made in the U.S.A.

€5.17 €6.99

-€1.04

COMETIC Carburetor Backplate O-Ring — Carburetor backing plate

Precision sealing ring that prevents leaks and maintains reliable operation.

€3.55 €4.59

-€1.83
Out of Stock

COMETIC Map Sensor Intake Seal — Viton, 10 pack

Precision intake seal for MAP sensor on M8 engines; prevents air leaks and helps maintain accurate sensor readings.

€7.14 €8.97

-€4.95

COMETIC Intake Manifold Seal — 4-pack

High-quality sealing solution that prevents leaks at the manifold interface and supports long-term reliability. Made in the USA.

€14.01 €18.96

-€2.72

COMETIC Injector O-Ring — 10-pack

Fuel-resistant O-ring for injector sealing; durable construction for long service life.

€9.24 €11.96

-€4.14
Out of Stock

COMETIC Replacement Seal — Shifter Shaft, 5 Pack

Durable replacement seal with fuel-resistant materials that resist creep, cracking, and brittleness. Made in the USA.

€14.02 €18.16

-€10.32

WISECO Replacement Ring Set — Bore 3.198", Oversize +0.010", X-Ring

Includes rings for one piston. Fits pistons of the same design only.

€29.22 €39.54

-€10.32
Out of Stock

WISECO Replacement Ring Set — 3.1875" bore, +0.020" oversize, X-Ring

Rings for one piston; install on a matching piston for correct fit.

€29.22 €39.54

-€10.32

WISECO Replacement Ring Set — 3.218" bore, +0.030" oversize, X-Ring

Includes rings for one piston only. Fits only Wiseco pistons.

€29.22 €39.54

-€10.32

WISECO Replacement Ring Set — 3.447" bore, +0.010" oversize, X-Ring

Replacement rings for a single piston. Confirm piston compatibility before installation.

€29.22 €39.54

-€10.32

WISECO Replacement Ring Set — Bore 3.437", Oversize +0.040", X-Ring

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

€29.22 €39.54

-€26.76

ANDREWS Pushrod Kit — Set of 4, Fixed length

Super-light, heavy-duty fixed-length pushrods; sold as a set of four to replace OE—two intake, two exhaust. Rocker boxes must be removed for installation.

€104.06 €130.82

-€47.82

ANDREWS Adjustable Pushrods — 4 Pack

Replaces nonadjustable stock rods on H-D engines for precise valvetrain control.

€185.98 €233.80

-€7.55

ANDREWS Low-Profile Lower Spring Collars — Set of 4

Increases spring travel by .060" for improved suspension response. Precision-machined and made in the U.S.A.

€29.38 €36.93

-€11.00
Out of Stock

ANDREWS High-Lift Upper Spring Collars — For 74" and 80" motors, 4 Pack

Accepts cams with up to .600" lift; fits 74" and 80" motors; hard-coated for durability.

€42.81 €53.81

Medium-Lift Upper Spring Collar Set — 4 pack, fits 1966–1984 74" and 80" motors

-€15.25
Out of Stock

ANDREWS Medium-Lift Upper Spring Collar Set — 4 pack, fits 1966–1984...

Fits stock springs to add ~0.060" of travel on 1966–1984 74" and 80" motors; eases installation of B or #2 cams; made in the U.S.A.

€59.30 €74.55

-€10.45

ANDREWS Valve Spring Upper Collars — Low-profile lower spring collar,...

Lower-profile valve spring upper collars similar to stock 80-style parts; required for 80-style guides using "K" line stem seals. Compatible with 74" and 80" motors. Heat-treated for durability. Made in the U.S.A.

€40.61 €51.06

-€13.17

ANDREWS High-Lift Valve Spring Kit — cam lifts 0.550", 4-pack

Accommodates cam lifts of .550"+, installs without machining heads. Includes four inner and four outer springs. For use with titanium upper-spring collars; collars sold separately. Made in the U.S.A.

€51.19 €64.36

-€4.67
Out of Stock

COMETIC Induction Module O-Ring

Fuel-resistant seal engineered for durability in induction systems. Made in the USA.

€13.19 €17.86

-€2.42

COMETIC Drain Plug O-Ring — COMETIC, C10366, Oil, 10 Pack

Durable o-ring designed to seal drain plugs and prevent leaks. Made in the USA.

€6.89 €9.31

-€5.30

BARNETT Scorpion Derby Cover Gasket — 646-30-51090

Replacement gasket for Big Twin Scorpion Derby Cover. Ensures a tight seal to prevent oil leaks during service and operation.

€14.94 €20.24

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
Out of Stock

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
Out of Stock

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 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

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