Engine (2)

-€9.78

PROX Main Bearing (Individual) — PROX, Main crankshaft, 23.6206RSI

Individual main bearing made to OEM specifications for reliable performance and precise journal support.

€24.67 €34.45

-€3.29

PROX Main Bearing (Individual) — Main Crankshaft, PROX 23.6304C3

Manufactured to exact OEM specifications for maximum reliability and performance.

€8.30 €11.59

-€4.04

PROX Main Bearing (Individual) — Main crankshaft, Each

Precision main bearing made to exact OEM specifications for main crankshaft applications. Sold individually.

€10.17 €14.21

-€6.37

PROX Main Bearing (Individual) — Main crankshaft, PN 23.6306C3

High-precision main bearing manufactured to exact OEM specifications for reliable performance.

€16.03 €22.40

-€10.05

PROX Main Bearing (Individual) — Main crankshaft

Manufactured to OEM specifications for reliable performance. Sold individually.

€25.34 €35.39

-€5.44

PROX Main Bearing (Individual) — Main crankshaft

Manufactured at leading OEM factories (mainly Japan). Made to exact OEM specifications for reliable crankshaft support and long service life.

€13.72 €19.16

-€6.37

PROX Main Bearing (Individual) — Main crankshaft

Precision main bearing made to OEM specifications for main crankshaft fitment. Sold individually.

€16.03 €22.40

-€6.37

PROX Main Bearing (Individual) — PROX, Main Crankshaft

High-precision main bearing manufactured to exact OEM specifications for reliable performance.

€16.03 €22.40

-€16.24

PROX Main Bearing (Individual) — Main Crankshaft, 23.830046-1

Precision main support component built to OEM specifications for reliable rotating-shaft support.

€40.93 €57.17

Main Bearing (Individual) — PROX, main crankshaft, P/N 23.830046-20, Each

-€13.62

PROX Main Bearing (Individual) — PROX, main crankshaft, P/N...

Precision-made at leading OEM factories in Japan. Produced to exact OEM specifications for reliable performance and long service life.

€34.33 €47.95

-€12.46

PROX Main Bearing (Individual) — Main crankshaft

Precision main bearing made to OEM specifications for dependable crankshaft support.

€31.43 €43.89

-€16.54

PROX Main Bearing (Individual) — Main crankshaft, 23.NJ206

Individual main bearing made to exact OEM specifications for reliable performance.

€41.70 €58.24

-€16.45

PROX Main Bearing (Individual) — 23.NJ206ECP-3, Main Crankshaft

Precision main bearing made to OEM specifications for reliable performance.

€41.48 €57.93

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

Includes rings for one piston only; fits only pistons from the same manufacturer.

€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

-€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

-€86.89

WISECO High-Performance Piston Kit — 3.5055", 1340 cc, 4.25"

Complete top-end piston kit includes pistons, rings, retainer clips, chrome piston pins and an X-Ring package for reliable sealing. Pistons made in the USA.

€245.85 €332.74

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

On sale!
-€132.03

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

-€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

-€0.64

WISECO High-Performance Replacement Circlips — Piston

High-performance replacement circlips engineered for long life and dimensional stability. Supplied for one piston per set.

€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

Valve Stem Kit Replacement Part — 8 mm diameter, JS430, 6-pack, Silver

-€8.23

K&L SUPPLY Valve Stem Kit Replacement Part — 8 mm diameter, JS430,...

Replacement part for valve stem kits, designed for reliable sealing and easy installation.

€23.26 €31.49

Valve Stem Kit Replacement Part — PVR70M 90° rubber valve stem, silver

-€2.42

K&L SUPPLY Valve Stem Kit Replacement Part — PVR70M 90° rubber valve...

Replacement part for valve stem kits. Easy installation and reliable sealing for routine maintenance.

€6.84 €9.26

-€25.55

K&L SUPPLY Valve Core — Straight, 50-pack, gold

Replacement parts for valve stem kits that provide a reliable seal and help prevent leaks.

€72.20 €97.75

-€6.45
Out of Stock

K&L SUPPLY Valve Stem Kit Replacement Part — 8 mm, JS430, 6-pack, Silver

Replacement parts for valve stem kits. Ideal for maintenance and repairs.

€18.23 €24.68

Valve Stem Kit Replacement Part — TR412 valve stem, 14 mm, 16 mm, 6-Pack, Silver

-€8.29

K&L SUPPLY Valve Stem Kit Replacement Part — TR412 valve stem, 14 mm, 16...

Replacement part for valve stem kits; easy to install and restores proper sealing.

€23.43 €31.72

-€1.03

K&L SUPPLY Straight Valve Stem — 10 mm hole (0.39"), aluminum, silver

Provides a secure seal and easy inflation for most tubeless tire rims.

€2.92 €3.95

-€1.07

K&L SUPPLY 90° Bend/Angled Valve Stem — 8 mm (0.32") , Silver

Right-angle valve stem that simplifies tire inflation on dual-disc wheels; fits most tubeless rims.

€3.02 €4.09

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