Engine

Subcategories

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

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

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

-€115.92

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

Oil Filler Spout Cover — Chrome, compatible with Harley-Davidson transmission interface covers

-€15.93
Out of Stock

KURYAKYN Oil Filler Spout Cover — Chrome, compatible with...

Precision metal cover that enhances the oil filler neck and fits Harley-Davidson transmission interface covers.

€61.94 €77.87

Piston Kit — 4.122" piston, 11.0:1 compression, 117 CI

-€114.36

WISECO Piston Kit — 4.122" piston, 11.0:1 compression, 117 CI

ArmorX™ coating for reduced wear and ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the USA.

€323.56 €437.92

Piston Kit — 4.247" piston, 11:1 compression, 124 CI

-€115.92

WISECO Piston Kit — 4.247" piston, 11:1 compression, 124 CI

ArmorX™ and ArmorFit™ coatings reduce wear and ensure smooth, quiet operation. Dome design and precision components improve combustion and reliability. Complete kit with pistons, rings, pins, and circlips. Made in the USA.

€327.99 €443.91

Tracker Series™ Piston Kit — 3.875" bore, 1546 cc

-€68.28

WISECO Tracker Series™ Piston Kit — 3.875" bore, 1546 cc

Two-piston kit with forged crowns, precision-fit rings, force-fed pin oiling, pressure-seal groove and ArmorGlide® skirt coating for reduced friction and improved durability.

€193.19 €261.47

Cylinder Base Timing Hole Cover — Chrome

-€17.37
Out of Stock

KURYAKYN Cylinder Base Timing Hole Cover — Chrome

Smooths the transition from the cylinders to the engine cases for a clean finish. Easy installation with basic hand tools.

€67.56 €84.93

Tracker Series™ Piston Kit — 3.508" bore, 4.250" stroke, 1,345 cc

-€62.50

WISECO Tracker Series™ Piston Kit — 3.508" bore, 4.250" stroke, 1,345 cc

Forged pistons with generous valve pockets for big valves and cams.

Includes rings, piston pins and circlips for two pistons.

Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.

€176.82 €239.32

Tracker Series™ Piston Kit — Bore 3.937 in, Stroke 4.375 in, Compression 10.5:1

-€72.30

WISECO Tracker Series™ Piston Kit — Bore 3.937 in, Stroke 4.375 in,...

High-strength piston kit with precision-fit rings, force-fed pin oiling, pressure-seal groove and low-friction skirt coating. Packaged with two pistons, rings, pins and circlips; made in the USA.

€204.57 €276.87

Oil Cooler Cover — Chrome

-€17.37
Out of Stock

KURYAKYN Oil Cooler Cover — Chrome

Bolt-on oil cooler cover installs like the stock factory cover. Durable, lightweight design for a refined appearance.

€67.56 €84.93

High-Performance Forged Piston Kit — 1700 cc, 3.885" bore, 4.375" stroke, 9.0:1 compression

-€115.92

WISECO High-Performance Forged Piston Kit — 1700 cc, 3.885" bore,...

Forged piston kit with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.

€327.99 €443.91

$High-Performance Forged Piston Kit — Bore 3.885\", Stroke 4.375\", Compression 10.5:1$

-€115.92

WISECO High-Performance Forged Piston Kit — Bore 3.885\", Stroke...

Forged piston kit with ArmorGlide™ skirts, rings, retainer clips, and chrome piston pins; Twin Cam ArmorPlating for added protection. Made in USA.

€327.99 €443.91

Cylinder Base Timing Hole Cover — Black gloss, die-cast

-€11.82
Out of Stock

KURYAKYN Cylinder Base Timing Hole Cover — Black gloss, die-cast

High-quality construction. Smooths the transition from the cylinders to the engine cases. Easy installation.

€45.99 €57.81

High-Performance Replacement Ring Set — Bore 3.875", Displacement 103 cu in

-€9.22

WISECO High-Performance Replacement Ring Set — Bore 3.875",...

Replacement ring set for one piston; verify piston compatibility before purchase.

€26.09 €35.31

High-Performance Replacement Ring Set — Bore 3.875", Oversize +0.020", Displacement 95", VM Series

-€11.86

WISECO High-Performance Replacement Ring Set — Bore 3.875", Oversize...

Replacement rings for one piston; fit only matching pistons from the same manufacturer. Sold as a set for one piston.

€33.53 €45.39

Rocker Box Bolt Cover — 5/8" height, Chrome, 4 pack

-€7.28
Out of Stock

KURYAKYN Rocker Box Bolt Cover — 5/8" height, Chrome, 4 pack

Simple covers that raise 5/8" above the rocker box bolt for a clean, finished look.

€28.32 €35.60

Tappet Block Accent — Lifter Block, Chrome

-€22.55
Out of Stock

KURYAKYN Tappet Block Accent — Lifter Block, Chrome

Clean, simple styling for your engine
High-polish mirror finish for a refined look
Durable, bolt-on installation

€87.68 €110.23

Headbolt Covers — 4 pack, chrome

-€5.79
Out of Stock

KURYAKYN Headbolt Covers — 4 pack, chrome

Low-profile covers that dress up the engine with quick installation.

€22.51 €28.30

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

-€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

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

-€10.32

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

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

-€10.32
Out of Stock

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

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

-€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

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

-€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

Scorpion Derby Cover Gasket — 646-30-51090

-€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, 4.25" stroke, 9.5:1 compression, 1340 cc

-€84.82

WISECO High-Performance Piston Kit — 3.495" piston, 4.25" stroke,...

Complete top-end kit with forged pistons, rings, pins and X-Ring package for reliable 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