Engine

High-Performance Piston Kit — 3.5055" piston, 3-13/16" stroke, 1200 cc, Aluminum

Reduced price

WISECO High-Performance Piston Kit — 3.5055" piston, 3-13/16" stroke,...

Complete top-end piston kit with X-Ring package, rings, retainer clips and chrome piston pins. Made in the USA.

€270.44 ~~€366.03~~

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

Reduced price

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~~

Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010", Stroke 4.000", 1554 cc

Reduced price

WISECO Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010",...

Forged, precision-fit piston kit with ArmorGlide® coating; includes two pistons, rings, pins and circlips. Made in the USA.

€193.19 ~~€261.47~~

Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691 cc, Compression 10.5:1

Reduced price

WISECO Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691...

Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.

€193.19 ~~€261.47~~

Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in, Oversize +0.010 in

Reduced price

WISECO Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in,...

Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.

€193.19 ~~€261.47~~

Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020", Stroke 4.375", Compression 10.5:1

Reduced price

WISECO Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020",...

Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.

€193.19 ~~€261.47~~

Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200 cc, 9.5:1

Reduced price

WISECO Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200...

Durable forged pistons with ArmorGlide® skirt coating, precision-fit rings and force-fed pin oiling. Value-pack kit with pins and circlips. Made in the USA.

€161.68 ~~€218.83~~

Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010", Stroke 3.812", CR 9.5:1

Reduced price

WISECO Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010",...

High-performance forged piston kit with ArmorGlide® skirt coating, precision rings, and force-fed pin oiling. Includes pistons, rings, pins, and circlips.

€161.69 ~~€218.84~~

Tracker Series™ Piston Kit — 3.518" bore, 3-13/16" stroke, 1214 cc

Reduced price

WISECO Tracker Series™ Piston Kit — 3.518" bore, 3-13/16" stroke,...

Two-piston kit engineered for strong sealing, improved lubrication and reduced friction. Includes pistons, rings, pins and circlips. Made in the USA.

€161.68 ~~€218.83~~

Reduced price

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~~

Piston Kit — 4.016" bore, 4.5" stroke, 11.0:1 compression, 114 cu in

Reduced price

WISECO Piston Kit — 4.016" bore, 4.5" stroke, 11.0:1 compression, 114...

ArmorX™-coated pistons with ArmorFit™ skirts for smooth, quiet operation. Includes pistons, rings, piston pins and circlips. Fits OEM and Screamin’ Eagle heads. Made in the U.S.A.

€235.55 ~~€318.79~~

Reduced price

WISECO Piston Kit — 4.077" piston, 11.3:1 compression, 118 ci

High-performance piston kit with ArmorFit™ and ArmorX™ coatings for reduced wear, improved sealing and reliable fitment.

€141.34 ~~€191.28~~

Reduced price

WISECO Forged Piston Kit — 1200 cc, 12.0:1

High-performance piston kit with aerospace-grade alloys. Includes pistons, rings, pins, clips, and needle bearing when applicable. Dyno-tested for superior performance.

€270.44 ~~€366.03~~

High-Performance Replacement Ring Set — 3.875" bore, +0.010" oversize, 95" displacement

Reduced price

WISECO High-Performance Replacement Ring Set — 3.875" bore, +0.010"...

Includes rings for one piston only.

Designed specifically for compatibility with Wiseco pistons.

€19.36 ~~€26.20~~

Reduced price

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~~

Reduced price

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

Reduced price

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

Reduced price

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~~

Reduced price

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

Reduced price

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

Reduced price

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

Reduced price

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

Reduced price

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~~

Reduced price

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~~

Reduced price

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

Reduced price

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.

€188.19 ~~€299.64~~

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

Reduced price

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

Reduced price

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~~

Reduced price
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

Reduced price

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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