Engine (2)

Stepless® Ear Clamps for Fuel System — 3/16" ID fuel line, Silver

-€3.29

MOTION PRO Stepless® Ear Clamps for Fuel System — 3/16" ID fuel line, Silver

Stepless® ear clamps with 360° stepless inner surface and narrow 5 mm band for concentrated seal compression.

€9.30 €12.59

Stepless® Ear Clamps for Fuel System — 5/16" ID fuel line, Silver, 10 Pack

-€4.03

MOTION PRO Stepless® Ear Clamps for Fuel System — 5/16" ID fuel line,...

360° Stepless® ear clamps with a narrow 5 mm band for concentrated sealing. Tamper-evident and lightweight; side jaw tool sold separately.

€11.36 €15.39

Stepless® Ear Clamps for Fuel System — 1/4" ID, 10 Pack, Silver

-€4.15

MOTION PRO Stepless® Ear Clamps for Fuel System — 1/4" ID, 10 Pack, Silver

Stepless® ear design for gap-free inner sealing and even compression.

€11.73 €15.88

-€5.05

CYCLE PERFORMANCE PROD. Spark Plug Indexing Washer — Kit, Bronze

Indexes spark plug electrode gap toward intake valve
Includes five 0.40" thick, five 0.50" thick, and five 0.60" thick washers
Made in the USA

€14.68 €19.73

Stepless® Ear Clamps for Fuel System — 3/8" ID, 10 pack, Silver

-€5.29

MOTION PRO Stepless® Ear Clamps for Fuel System — 3/8" ID, 10 pack, Silver

Stepless® ear clamps: 360° stepless inner surface, narrow 5 mm band for concentrated compression, tamper-evident and lightweight.

€14.98 €20.27

Mikuni Air Cleaner Adapter — fits HSR 42/45, S&S E/G and Keihin CV, Silver

-€17.15

TRASK Mikuni Air Cleaner Adapter — fits HSR 42/45, S&S E/G and...

Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.

€66.68 €83.83

-€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 — 3.508" piston, +0.010" bore oversize

Includes rings for one piston only. Fits only matching pistons. Check service manual for installation specs.

€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

Tubeless Valve Stem — Fits holes 11.9 mm, 15 mm, Length 29.3 mm, Bolt-In

-€3.11

PARTS UNLIMITED Tubeless Valve Stem — Fits holes 11.9 mm, 15 mm, Length 29.3...

Precision-machined tubeless valve stem with self-sealing cap; includes anchor nut, thrust washer and rubber seal. Suitable for normal and heavy-duty use.

€6.66 €9.77

-€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

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

-€92.69

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.

€262.24 €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

Angled Valve Stem — 10.9 mm hole, 29.3 mm length, Chrome

-€3.38

PARTS UNLIMITED Angled Valve Stem — 10.9 mm hole, 29.3 mm length, Chrome

Ideal for ATVs and other tight applications. Compact, serviceable design.

€7.25 €10.63

-€3.45

PARTS UNLIMITED Metal Valve Stem — Straight, 8.3–8.6 mm (0.327"–0.339"), Chrome

Tubeless valve stem with full-length threading and lock nut for secure fit and reliable air retention.

€7.40 €10.85

-€0.64

WISECO High-Performance Replacement Circlips — Piston

High-strength replacement circlips for piston applications. Includes rings for one piston. Forged from a high-silicone aluminum alloy for durability and dimensional consistency.

€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

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

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