PROX PISTON KIT ALUMINUM 39.47MM B

§ 01 / Part

09101469 PISTON KIT ALUMINUM 39.47MM B

Fits 9 bikes
£51.94 Save 15%
£44.15

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09101469

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PROX

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§ 02 / About this part

What it is

The PROX PISTON KIT ALUMINUM 39.47MM B, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

This B-size kit provides a slightly larger diameter for cylinders that have seen initial wear. It sits in the top-end, ensuring the piston-to-wall clearance remains within factory specifications. Regular replacement is vital for maintaining compression and preventing blow-by. Check the cylinder for wear patterns before installation. Ensure the ring end gap is verified against the workshop manual. Install the wrist pin clips carefully to ensure they are fully seated. This kit is a standard part of a proactive maintenance schedule for your bike.

§ 03 / Specs

The numbers

Brand
PROX
Part number
09101469
Weight
0.09 kg
VAT
20%

// Fitment

Will it fit your bike?

Fits 9 models · 10 year-bands

* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.

§ 05 / About Iron Offroad

Iron Offroad

Iron Offroad is the off-road sibling of Iron City and Iron stable — this is a UK shop for motocross, enduro, and trail-bike hard parts. All fitments live on the site, and listed against MX models KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is in the data, fully enriched to assist with accurate fitting and finding the right part for your bike quickly and easily. Brands you'd find on a paddock workbench; pads, sprockets, plastics, fork seals, cables, gaskets, bars, the things that actually wear out. Road-bike kit, scooter parts, and quad gear sit elsewhere. Dirt & e-moto only. We operate from our huge storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. We have a RICH motorcycle history with multiple moto brands the images showing where we came from and our history, the business recently pivoted into hard parts and online retail.
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Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK-based support · 9 to 5 Race-shop prices, paddock service Click & collect from Leeds
Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK-based support · 9 to 5 Race-shop prices, paddock service Click & collect from Leeds