Top End

Boost your bike's performance with our top end parts. Cylinders, pistons, and cylinder heads are engineered to deliver power and reliability, even in the most demanding conditions.

Showing 1-24 of 62 item(s)

PROX Forged Piston Ø77.96mm - Prox - 01.6333.A

-17.25%

Pistons

PROX Forged Piston Ø77.96mm

PROX

01.6333.A

€168.47 €203.58

PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.

PROX Casted Piston Ø53.96mm - Prox - 01.6226.C

-26.43%

Shipped the 27/06/2026

Pistons

PROX Casted Piston Ø53.96mm

PROX

01.6226.C

€98.40 €133.75

The PROX cast piston Ø53.95 mm – cote B is engineered to deliver the perfect balance between performance, reliability, and value. Manufactured from high-quality aluminum alloy, it features an anti-friction Mos2 coating that minimizes wear and extends engine life. Designed for 2-stroke engines, this piston ensures a responsive and consistent...

-13.34%

Shipped the 27/06/2026

Pistons

Piston forgé PROX

PROX

01.6358.C

€149.23 €172.20

-13.34%

Shipped the 27/06/2026

Pistons

Piston forgé PROX

PROX

01.6358.B

€149.23 €172.20

-13.34%

Shipped the 27/06/2026

Pistons

Piston forgé PROX

PROX

01.6358.A

€149.23 €172.20

Top-end gasket kit PROX – TM 2T 2015-2021

-13.32%

Shipped the 27/06/2026

Cylinder head gaskets

Top-end gasket kit PROX – TM 2T 2015-2021

PROX

35.6024

€33.71 €38.89

Top-end gasket PROXHead gasket and valve stem seals includedOne part numberPrice: 36.77 € VAT includedIn stock: 10+

Cylinder head and base gasket kit PROX – MULTI-MOTO...

-13.36%

Shipped the 27/06/2026

Cylinder head gaskets

Cylinder head and base gasket kit PROX – MULTI-MOTO Seal/Precision 2005-2024

PROX

36.6024

€17.46 €20.15

PROX Cylinder head and base gasket kit – reference 36.6024, top-end gasket solution for quick, reliable engine sealing.Premium base materials for durabilityPrecise cut for perfect fit and sealEconomical assembly, broad off-road compatibility

-13.33%

Shipped the 27/06/2026

Piston kits

Forged Piston Kit PROX – KTM/Husqvarna 2T 125-300 57.96 mm 2000-2023

PROX

01.6237.C

€134.91 €155.66

PROX forged piston kit — aluminium, Ø57,96 mmSurcôte « C » +0,02 mm et tête plateVersion 2T, compression standardCompatible Husqvarna, KTM et autres modèles 2TPerformance et durabilité améliorées

-13.33%

Shipped the 27/06/2026

Piston kits

Forged Piston Kit PROX – TM 2T 57.95 mm B 2010-2024

PROX

01.6237.B

€134.91 €155.66

PROX forged piston kit for 2-stroke engines, Ø57.95 mm, oversize B (+0.01) and plate head. Aluminum construction delivers a strong, lightweight solution with reliable performance.Material: AluminumPiston type: ForgedCompression: StandardDiameter: 57.95 mmOversize letter: BOversize: +0.01Engine type: 2TFeature: Plate head

-13.33%

Shipped the 27/06/2026

Piston kits

Piston kit PROX – TM 2T 57.94 mm, flat head 0000-0000

PROX

01.6237.A

€134.91 €155.66

PROX forged aluminium piston kit for 2-stroke engines.Ø57.94 mm, A overstroke, STD compression, flat head.Robust design for longevity and precision.Direct replacement, easy installation.

PROX Piston Kit Ø80.98mm - Prox - 01.6348.C

-17.25%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø80.98mm

PROX

01.6348.C

€180.25 €217.82

ProX Piston Kits ProX pistons, precisely crafted using advanced CNC technology, utilize the same low-expansion, low-friction alloy as major Japanese manufacturers. High-Performance Coating: Facilitates break-in, reduces friction, and enhances performance with an innovative black coating. For Nicasil Cylinders: Available in standard sizes and...

PROX Piston Kit Ø80.97mm - Prox - 01.6348.B

-17.25%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø80.97mm

PROX

01.6348.B

€180.25 €217.82

PROX Piston Kit Ø80.96mm - Prox - 01.6348.A

-17.25%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø80.96mm

PROX

01.6348.A

€180.25 €217.82

PROX Piston Kit Ø66.370mm - Prox - 01.6343.D

-18.48%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø66.370mm

PROX

01.6343.D

€137.76 €168.98

PROX Piston Kit Ø53.980mm - Prox - 01.6226.E

-26.43%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø53.980mm

PROX

01.6226.E

€98.40 €133.75

PROX Piston Kit Ø53.970mm - Prox - 01.6226.D

-26.43%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø53.970mm

PROX

01.6226.D

€98.40 €133.75

PROX Piston Kit Ø46.980mm - Prox - 01.6105.D

-18.91%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø46.980mm

PROX

01.6105.D

€81.03 €99.92

PROX Piston Kit Ø44.990mm - Prox - 01.6029.D

-22.72%

Shipped the 27/06/2026

Pistons

PROX Piston Kit Ø44.990mm

PROX

01.6029.D

€48.64 €62.94

PROX Forged Piston Ø94.98mm - Prox - 01.6443.C

-17.25%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.98mm

PROX

01.6443.C

€197.83 €239.08

PROX forged pistons are manufactured from a special alloy, via a process used by the majority of manufacturers. These pistons offer a very effective balance between performance and reliability. Forged piston Ø94.98 Perfect for direct replacement of original equipment Patented surface treatment for the reduction of cylinder internal friction...

PROX Forged Piston Ø94.97mm - Prox - 01.6443.B

-17.25%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.97mm

PROX

01.6443.B

€197.83 €239.08

PROX forged pistons are manufactured from a special alloy, via a process used by the majority of manufacturers. These pistons offer a very effective balance between performance and reliability. Forged piston Ø94.97 Perfect for direct replacement of original equipment Patented surface treatment for the reduction of cylinder internal friction...

PROX Forged Piston Ø94.96mm - Prox - 01.6443.A

-17.25%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.96mm

PROX

01.6443.A

€197.83 €239.08

PROX forged pistons are manufactured from a special alloy, via a process used by the majority of manufacturers. These pistons offer a very effective balance between performance and reliability. Forged piston Ø94.96 Perfect for direct replacement of original equipment Patented surface treatment for the reduction of cylinder internal friction Standard...

PROX Forged Piston Ø94.98mm - Prox - 01.6434.C

-17.25%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.98mm

PROX

01.6434.C

€197.83 €239.08

PROX Forged Piston Ø94.97mm - Prox - 01.6434.B

-17.25%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.97mm

PROX

01.6434.B

€197.83 €239.08

PROX Forged Piston Ø94.96mm - Prox - 01.6434.A

-13.33%

Shipped the 27/06/2026

Pistons

PROX Forged Piston Ø94.96mm

PROX

01.6434.A

€207.20 €239.08