Engine

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

-€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

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 — 4.125" bore, +0.190" oversize, 4-3/8" stroke, 11:1 compression

-€114.36

WISECO Piston Kit — 4.125" bore, +0.190" oversize, 4-3/8" stroke,...

High-performance Wiseco piston kit with ArmorX™ coating and ArmorFit™ skirt. Includes pistons, rings, piston pins and circlips. Fits OEM and Screamin’ Eagle heads. Made in the U.S.A.

€323.56 €437.92

-€115.92

WISECO Piston Kit — 4.250" bore, 4-3/8" stroke, 11.0:1 compression

Two-piston kit with rings, piston pins and circlips. ArmorX™ coating and ArmorFit™ skirt reduce wear and noise while improving sealing; fits OEM and Screamin’ Eagle heads.

€327.99 €443.91

-€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

$Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\", 1562 cc$

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\",...

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

€193.19 €261.47

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

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

Oil Cooler Fan — THUNDERMAX EA7000, Black

-€66.20
Out of Stock

THUNDERMAX Oil Cooler Fan — THUNDERMAX EA7000, Black

Reduces oil temperatures using engine temperature and vehicle speed. Quick 15-minute install; no oil cooler removal. Plug-n-play on M8 models with compatible ECM. Made in the USA.

€257.47 €323.67

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

-€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

Transmission Side Cover Bolt Kit — P-10-12-07, Socket-head, Steel, Chrome

-€13.59
Out of Stock

GARDNER-WESTCOTT Transmission Side Cover Bolt Kit — P-10-12-07, Socket-head,...

Complete hardware set for reinstalling the side cover of the transmission. Made in the USA.

€52.90 €66.49

Transmission Side Cover Bolt Kit — socket-head, chrome

-€12.64
Out of Stock

GARDNER-WESTCOTT Transmission Side Cover Bolt Kit — socket-head, chrome

Complete bolt kit for transmission side cover; includes all necessary fasteners. Made in the USA.

€49.14 €61.78

-€20.07

GARDNER-WESTCOTT Primary and Derby Cover Bolt Kit — Chrome

Hardware kit for primary and derby cover installation. Made in the U.S.A.

€78.08 €98.15

-€29.61
Out of Stock

GARDNER-WESTCOTT Motor Mount Kit — Chrome, Front

Durable engine support assembly made in the U.S.A., with precision components and complete hardware for secure mounting.

€115.11 €144.72

-€84.11

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver

Complete motor set with all side covers and mounts
Includes lifter base timing plug and inner primary mount
Made in the U.S.A.

€327.08 €411.19

-€72.27

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver, Polished

Complete Big Twin motor sets including all side covers, lifter base timing plug, inner primary mount, tip, and front and rear motor mounts. Made in the U.S.A.

€281.01 €353.28

-€82.78

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver, Polished

Complete Big Twin motor sets with side covers, lifter base timing plug, inner primary mount, tip, and front and rear motor mounts. Made in the U.S.A.

€321.93 €404.71

-€10.46
Out of Stock

GARDNER-WESTCOTT Caliper Mounting Bolt Kit — Rear, Chrome

Replaces OEM caliper mounting bolts and washers. Made in the USA.

€40.65 €51.11

-€1.40

GARDNER-WESTCOTT Timing Cover Bolt Kit — C-20-37, Chrome

Complete bolt kit for timing cover installation. Includes necessary fasteners for a secure fit; easy to install.

€5.48 €6.88

Handlebar Lever Switch Housing Master Cylinder Fastener — Handlebar lever mount, master cylinder, switch housing

-€7.48

GARDNER-WESTCOTT Handlebar Lever Switch Housing Master Cylinder Fastener —...

Durable precision fastener for secure component mounting. Made in the U.S.A.

€29.15 €36.63

-€1.32
Out of Stock

GARDNER-WESTCOTT Fork Drain Plugs — For 41 mm tubes

Precision-machined drain plugs that simplify fork oil changes. Made in the USA.

€5.11 €6.43

-€40.91

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome

Includes cam, primary, oil hose cover and transmission side cover. Made in the U.S.A.

€159.03 €199.94

-€38.76

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome

Complete bolt kit for side covers; includes cam, primary, oil hose cover and transmission side cover.

€150.77 €189.53

shop by category

Engine

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine