Engine (12)

-€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

-€0.64

WISECO Replacement Circlip — 20 mm outside diameter, pair

High-strength, easy-to-install circlips forged from high-silicon alloy; designed to fit only Wiseco pistons. Sold as a pair.

€1.83 €2.47

-€8.24

COMP CAMS V-Thunder™ Tappet Assembly — COMP CAMS Hy-Rev, Hydraulic, 7410-1

Oil-metering hydraulic roller lifter with hardened high-carbon/chromium rollers, carbo-nitrided pushrod seat, and 100% testing; HY-REV™ and PRO-MAGNUM™ variants.

€23.31 €31.55

-€6.26

COMETIC Base Gasket — Cylinder base, 4.125", 0.51 mm (0.020")

Premium base gasket for reliable sealing. Manufactured from fuel-resistant materials with a Viton-coated stainless steel core. Made in the USA.

€19.12 €25.38

$Valve Guide Gasket — 0.79 mm (0.031\")$

-€2.56

COMETIC Valve Guide Gasket — 0.79 mm (0.031\")

Replacement valve guide gasket for reliable sealing and easy installation.

€7.83 €10.39

Replacement Head Gasket — 4.500" bore, 1.32 mm (0.052") thickness, MLX (Multi-Layer-Xtreme), pair

-€19.90

COMETIC Replacement Head Gasket — 4.500" bore, 1.32 mm (0.052")...

High-performance replacement head gasket with multi-layer construction and fuel-resistant materials. Engineered for turbo, high-compression and power-modified engines. Made in the USA.

€56.30 €76.20

Replacement Head Gasket — 4.250" bore, 1.02 mm thickness, MLS cylinder head

-€13.76

COMETIC Replacement Head Gasket — 4.250" bore, 1.02 mm thickness, MLS...

High-quality replacement head gasket engineered for long-term reliability and resistance to fuel, heat and deformation. Ideal for turbocharged or high-compression applications.

€38.97 €52.73

-€13.76

COMETIC Replacement Head Gasket — Bore 4.250" , Thickness 0.76 mm, MLS

High-quality replacement head gasket for turbo, high-compression and modified engines; precision sealing and long service life.

€38.97 €52.73

-€13.76

COMETIC Replacement Head Gasket — Bore 4.310 in, Thickness 1.02 mm, MLS

High-quality replacement head gasket built for reliability in turbocharged, high-compression, and other power-added applications.

€38.97 €52.73

$Replacement Head Gasket — 4.310\" bore, 0.91 mm thickness, MLS$

-€13.76

COMETIC Replacement Head Gasket — 4.310\" bore, 0.91 mm thickness, MLS

High-quality replacement head gasket with MLX and multi-layer steel construction for long-term reliability. Ideal for turbo, high-compression and nitrous applications.

€38.97 €52.73

-€4.67

COMETIC Induction Module O-Ring — Induction Module

Fuel-resistant o-ring for induction modules; resists creep, cracking and brittleness. Made in the USA.

€13.19 €17.86

-€8.41

COMETIC Fuel Cap Seal — COMETIC, 4-pack

Durable sealing gasket resists fuels and chemicals while maintaining a tight fit to prevent leaks.

€23.78 €32.19

-€4.86

COMETIC Dip Stick O-Rings — 10 pack

High-quality, fuel-resistant sealing rings engineered for long-term reliability; made in the USA.

€13.74 €18.60

-€86.89

WISECO High-Performance Piston Kit — 3.5055", 1340 cc, 4.25"

Complete top-end piston kit includes pistons, rings, retainer clips, chrome piston pins and an X-Ring package for reliable sealing. Pistons made in the USA.

€245.85 €332.74

High-Performance Piston Kit — 3.5155" piston, 4.25" stroke, 1340 cc

-€86.89

WISECO High-Performance Piston Kit — 3.5155" piston, 4.25" stroke,...

Complete top-end piston kit with forged pistons, rings, retainer clips and chrome piston pins, plus a full X‑Ring package.

€245.85 €332.74

High-Performance Piston Kit — Bore 3.508", Oversize +0.010", Stroke 3-13/16", Compression 9.5:1, 1200 cc

On sale!
-€132.03

WISECO High-Performance Piston Kit — Bore 3.508", Oversize +0.010",...

Complete top-end kit with forged aluminum pistons, X-Ring package, rings, retainer clips and chrome piston pins for reliable performance.

€222.90 €354.93

High-Performance Piston Kit — Bore 3.508", Stroke 4-1/4", 1340 cc, Aluminum

-€92.69

WISECO High-Performance Piston Kit — Bore 3.508", Stroke 4-1/4", 1340...

Complete top-end piston kit with X-Ring package and all necessary installation hardware.

€262.24 €354.93

-€0.64

WISECO High-Performance Replacement Circlips — Piston

High-performance replacement circlips engineered for long life and dimensional stability. Supplied for one piston per set.

€1.83 €2.47

High-Performance Piston Kit — 3.195" piston diameter, 10.0:1 compression ratio, Aluminum

-€83.64

WISECO High-Performance Piston Kit — 3.195" piston diameter, 10.0:1...

Forged high-silicon aluminum piston kit with pistons, rings, retainer clips and chrome pins. Includes X-Ring set; pistons made in the USA.

€216.00 €299.64

High-Performance Piston Kit — 3.4955 in piston diameter, 10.5:1 compression, 1200 cc displacement

-€93.31

WISECO High-Performance Piston Kit — 3.4955 in piston diameter,...

Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.

€264.01 €357.32

Extreme Sealing Technology Complete Gasket Kit — For '89-'91 Softail/Dyna, 1.02 mm (0.040")

-€77.87

COMETIC Extreme Sealing Technology Complete Gasket Kit — For '89-'91...

Full gasket kit with MLS head gaskets, Viton-coated base gaskets, AFM exhaust seals and valve stem seals. Made in USA.

€220.34 €298.21

Piston Kit with Gaskets — Piston diameter 3.934", Displacement 1746 cc

-€152.67

WISECO Piston Kit with Gaskets — Piston diameter 3.934", Displacement...

Forged high-silicon aluminum pistons with Armor Plating; kit includes pistons, pins, retainer clips, top-end gasket kit and VM-Rings. Made in USA.

€431.93 €584.60

-€115.92
Out of Stock

WISECO Piston Kit — 3.937", 4-3/8", 11:1, 1746 cc

ArmorX™-coated pistons with ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the U.S.A.

€327.99 €443.91

Piston Kit — 4.077" piston, 114 CI displacement, 11.0:1 compression

-€115.92
Out of Stock

WISECO Piston Kit — 4.077" piston, 114 CI displacement, 11.0:1...

ArmorX™ coated piston kit with ArmorFit™ skirts, dome design for efficient burn, dedicated rings, and complete hardware included.

€327.99 €443.91

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