Engine

Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

-€1,595.33

TRASK Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

Bolt-on kit adds 40–50% more power to stock 107", 114", 117" M-Eight motors. Includes larger injectors, spark plugs, boost gauge with mount, oil lines, custom cam cover and Thundermax tune files. Requires Thundermax ECM (sold separately). Does not fit Twin Cooled models or models with non-removable fairing lowers. For offroad use only.

€6,204.07 €7,799.40

Tornado Turbo Performance Kit — Polished

-€1,595.33

TRASK Tornado Turbo Performance Kit — Polished

Bolt-on power: +40–50% on stock 107", 114" and 117" M‑Eight motors.
Compressor and turbine housing with Garrett internals; plenum with integrated blow-off valve.
Includes injectors, spark plugs, boost gauge with mount, oil feed/drain lines, custom cam cover, tune files, hardware and gaskets.
Requires Thundermax ECM (sold separately). Does not fit Twin Cooled or non-removable fairing lowers. Offroad use only.
Made in the USA.

€6,204.07 €7,799.40

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

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

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

-€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

-€105.85

TRASK Assault Series Cam Cover — Raw, Machined

Transparent cam cover designed to match Assault series air cleaners. Made in the USA.

€411.66 €517.51

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

Pushrod Gasket and O-Ring Kit — Pushrod, Tappet Cover, JGI-11293-K

-€11.86

JAMES GASKET Pushrod Gasket and O-Ring Kit — Pushrod, Tappet Cover,...

Complete gasket and o-ring kit to seal four pushrod covers; includes gaskets, o-rings, chrome-plated allen bolts and washers. Made in USA.

€33.45 €45.31

Deflector Plate Gasket/Seal Kit — 60518-65-DLK, Shift Lever & Starter Housing

-€6.50

JAMES GASKET Deflector Plate Gasket/Seal Kit — 60518-65-DLK, Shift Lever &...

Complete gasket and seal kit for the deflector plate that prevents leaks and restores reliable sealing. Made in the USA.

€22.07 €28.57

-€9.30

JAMES GASKET Breather Gasket — Foamet®, 5 Pack

High-quality breather gasket with an aluminum core, expanded nitrile rubber coating and a silicone release layer. Made in USA.

€26.30 €35.60

-€4.72

JAMES GASKET Breather Gasket — 5-pack

Precision breather gasket with an aluminum core, expanded nitrile rubber coatings, and a silicone release treatment. Made in the USA.

€16.00 €20.72

Squareback Taillight Gasket — Fits '99–'24 Harley-Davidson, 5-pack

-€5.48

CUSTOM DYNAMICS Squareback Taillight Gasket — Fits '99–'24 Harley-Davidson,...

Direct-fit replacement for Squareback taillight gaskets; fits '99–'24 Harley-Davidson models. Sold as a multi-pack.

€21.33 €26.81

-€29.18

JAMES GASKET Replacement Engine Gasket — JGI-25700730

Direct replacement engine gasket for reliable sealing and leak prevention.

€99.19 €128.37

$Cam Cover Gasket — 5-pack, 0.88 mm (0.035\")$

-€8.97

JAMES GASKET Cam Cover Gasket — 5-pack, 0.88 mm (0.035\")

Replacement gasket for cam chests. Made in the USA.

€30.48 €39.45

-€3.30

JAMES GASKET Replacement Gaskets, Seals & O-rings For Big Twin Transmissions

Replacement gaskets, seals and O-rings for Big Twin transmissions. Made in the U.S.A.

€11.24 €14.54

-€34.85

JAMES GASKET Engine Gasket Kit — JGI-17055-05-X

Contains gaskets, oil seals and O-rings to completely rebuild M-Eight or Twin Cam engines. Available as motor sets or top end sets. Made in the U.S.A.

€118.45 €153.30

-€31.48

JAMES GASKET Top End Gasket Kit — Bore 3.875 in

Top-quality gaskets, oil seals and O-rings for top-end engine rebuilds. Made in the USA.

€107.06 €138.54

-€19.02

JAMES GASKET Gear Cover Gasket — Cam Cover, Black, JGI-25244-99-F

Top-quality gaskets, seals and o-rings that meet or exceed OEM specifications. Primary gasket with silicone beading. Made in the U.S.A.

€64.68 €83.70

-€6.09

JAMES GASKET Float Bowl Gasket — 10 Pack, Paper

Replacement gasket for the carburetor float chamber; reliable sealing and easy installation. Made in the U.S.A.

€20.72 €26.81

-€8.49

JAMES GASKET Replacement Washers — inner mounting position, chain cover

Durable replacement washers for reliable fit and long service life. Made in the U.S.A.

€28.86 €37.35

-€6.36

MIKUNI HSR Carburetor Flange Adapter — 42 mm inner diameter, Black

Versatile flange adapter for spigot-type carburetors. Oval mounting holes fit 70–75 mm on-center; clamp included; made in Japan.

€24.70 €31.06

-€6.36

MIKUNI HSR Carburetor Flange Adapter — 45 mm, Black

Oval mounting holes for 70–75 mm centers; rubber flange fits spigot-type carburetors and includes clamp. Made in Japan.

€24.70 €31.06

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