Engine

On sale!
-€4.04

CYCLE PERFORMANCE PROD. Spark Plug Indexing Washer — 5×0.40 in, 5×0.50 in, 5×0.60 in

Set of 15 indexing washers (5×0.40 in, 5×0.50 in, 5×0.60 in) to align spark plug electrodes toward the intake valve.

€15.69 €19.73

-€5.12

COMETIC Rocker Gasket — 0.25 mm, Viton-coated steel, 5-pack

High-quality rocker gasket engineered for long-term reliability. Made in the USA.

€14.47 €19.59

Extreme Sealing Technology Rocker Box Gasket Kit — C9588, EST, Rocker Box Kit

-€7.83

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit — C9588, EST,...

Complete gasket kit for both rocker boxes. Includes gaskets, seals, O-rings and bolt seals. Made in the USA.

€26.59 €34.42

-€4.73

COMETIC Derby Cover O-Ring — Derby Cover

High-quality, fuel-resistant sealing component made in the U.S.A. for reliable long-term performance.

€13.40 €18.13

-€4.58

COMETIC Cylinder Base O-ring — C9628, Nitrile

Durable o-ring for sealing the cylinder base; designed for easy installation and reliable leak protection.

€12.94 €17.52

-€21.72

COMETIC Rocker Cover Gasket — 0.51 mm, 10-pack

Premium fuel-resistant construction
Stainless steel core with Viton coating
Multiple-pack supply for routine maintenance

€61.45 €83.17

-€1.41

COMETIC Tappet Gasket — 0.79 mm (0.031 in), Front/Rear, 10 Pack

Premium tappet gasket with AFM construction for fuel resistance and long-term reliability. Does not require gasket sealer. Made in USA.

€5.43 €6.84

-€6.79

COMETIC Cylinder Base Gasket — 3.500" bore, 0.51 mm (0.020") thickness

High-quality cylinder base gasket pair for reliable sealing and long-term durability.

€19.18 €25.97

-€6.56

COMETIC Cylinder Base Gasket — 0.51 mm (0.020"), Standard bore

High-quality, fuel-resistant gasket for durable engine sealing. Made in the USA.

€18.57 €25.13

-€7.05

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit

Complete rocker box gasket kit with all gaskets, seals, O-rings and bolt seals. Made in the USA.

€27.39 €34.44

Extreme Sealing Technology Rocker Box Gasket Kit — EST, Rocker Box

-€11.28

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit — EST, Rocker...

Premium rocker box gasket kit with all gaskets, seals and O-rings included. Made in the USA.

€38.28 €49.56

-€11.28

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit — COMETIC C9753

Complete gasket kit for rocker boxes with all seals, O‑rings and bolt seals for dependable, long‑lasting performance.

€38.28 €49.56

V-Twin Top End Gasket Kits — For '91-'03 XL 883, 883 cc, bore 3.000"

-€31.74

COMETIC V-Twin Top End Gasket Kits — For '91-'03 XL 883, 883 cc, bore...

EST top end gasket kit with embossed stainless steel and rubber-covered gaskets; complete set to rebuild the top end; made in USA.

€89.77 €121.51

V-Twin Top End Gasket Kits — For '88-'90 XL 1200, 3.500" bore, 1200 cc

On sale!
-€47.24

COMETIC V-Twin Top End Gasket Kits — For '88-'90 XL 1200, 3.500" bore,...

Complete EST gasket kit with embossed stainless steel head, base and rocker gaskets plus all seals and O-rings. Made in the USA.

€68.30 €115.54

V-Twin Top End Gasket Kits — 3.5" bore, 1200 cc, 1.02 mm, For '91-'03 XL 1200

-€29.95

COMETIC V-Twin Top End Gasket Kits — 3.5" bore, 1200 cc, 1.02 mm, For...

Complete EST top-end gasket kit with embossed stainless steel head, base, and rocker gaskets, includes all gaskets, seals and O-rings; made in the USA.

€84.65 €114.60

-€13.58

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit — EST, C9764

Complete gasket kit for both rocker boxes; includes gaskets, seals, O-rings and bolt seals. Made in the USA.

€38.41 €51.99

-€13.40

COMETIC Extreme Sealing Technology Rocker Box Gasket Kit — EST

Complete rocker box gasket kit with all seals and O-rings for a full service. Made in the United States.

€37.86 €51.26

V-Twin Top End Gasket Kits — For '84-'91 EVO Big Twin, 3.500" bore, 1.02 mm (0.040")

-€25.06

COMETIC V-Twin Top End Gasket Kits — For '84-'91 EVO Big Twin, 3.500"...

EST gasket kit with embossed stainless steel head, base, and rocker gaskets; includes all gaskets, seals, and O-rings to rebuild the top end. Made in USA.

€85.09 €110.15

-€37.87

COMETIC V-Twin Top End Gasket Kits — 88 cu in, 3.75 in bore, 1.02 mm

EST gasket kit with embossed stainless steel head, base, and rocker gaskets covered in a proprietary rubber material.

Complete set includes gaskets, seals, and O-rings to rebuild the top end.

Made in the USA. Fits specified Twin Cam applications.

€107.15 €145.02

$V-Twin Top End Gasket Kits — Bore 3.875\", 95 ci, 1.02 mm$

-€32.04

COMETIC V-Twin Top End Gasket Kits — Bore 3.875\", 95 ci, 1.02 mm

Complete EST top end gasket kit with embossed stainless steel head, base, and rocker gaskets. Includes all seals and O-rings for a full top-end rebuild. Made in USA.

€108.81 €140.85

-€12.37

COMETIC Cylinder Head Gasket — 3.500" bore, 0.030" thickness, MLS

High-quality cylinder head gasket engineered for long-term reliability and heat resistance. Made in the USA.

€35.01 €47.38

-€12.37

COMETIC Cylinder Head Gasket — 3.500" bore, 1.02 mm thickness

High-quality cylinder head gasket with fuel-resistant materials, composite heat-tolerant center, and multi-layer steel outer construction. Made in the USA.

€35.01 €47.38

-€12.79

COMETIC Cylinder Head Gasket — Bore 3.625 in, Thickness 0.76 mm

High-quality multi-layer steel cylinder head gasket for long-term reliability; fuel-resistant materials and Viton®-coated layers; made in the USA.

€36.18 €48.97

-€12.79

COMETIC Cylinder Head Gasket — 3.625" bore, 1.02 mm thickness, MLS

High-quality cylinder head gasket made from fuel-resistant materials for long-term reliability. Made in the USA.

€36.18 €48.97

-€10.61

COMETIC Cylinder Head Gasket — 3.875 in bore, 0.76 mm thickness

Premium cylinder head gasket delivering reliable sealing, fuel resistance, and heat tolerance for long-lasting performance.

€36.07 €46.68

-€12.37

COMETIC Cylinder Head Gasket — Bore 3.875", Thickness 1.02 mm

High-quality cylinder head gasket engineered to resist creep and cracking, with composite sealing and multi-layer steel construction for durable, long-lasting seals. Made in the USA.

€35.01 €47.38

-€10.61

COMETIC Cylinder Head Gasket — 3.750", 0.76 mm (0.030"), MLS

Durable cylinder head gasket engineered for reliable sealing, fuel-resistant materials, composite center and multilayer support; made in the USA.

€36.07 €46.68

-€10.58

WISECO Replacement Ring Set — Oversize +0.060", Piston 3.498"

Includes rings for one piston only. Designed to fit only matching pistons.

€29.93 €40.51

-€10.58

WISECO Replacement Ring Set — piston diameter 3.508", oversize +0.010"

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

€29.93 €40.51

Replacement Ring Set — 3.518 in piston diameter, +0.020 in bore oversize

-€10.58

WISECO Replacement Ring Set — 3.518 in piston diameter, +0.020 in...

Includes rings for a single piston; verify piston compatibility before ordering.

€29.93 €40.51

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