09101357 PISTON KIT FORGED 65.98MM B

Name: PROX PISTON KIT FORGED 65.98MM B
Brand: PROX
SKU: 09101357
Price: 134.42 GBP
Availability: InStock

Fits Honda CRF 150 R

RRP £168.02 Save 20%

£134.42

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09101357

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§ 02 / About this part

What it is

The PROX PISTON KIT FORGED 65.98MM B, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

This forged B-size kit is designed for high-performance small-bore engines. The forged construction provides the structural integrity needed for high-RPM operation, while the B-size tolerance accounts for minor cylinder wear. It replaces OEM part 13101-KSE-670. Regular replacement of the top-end prevents skirt fatigue and maintains the high compression required for racing. This kit includes the rings, wrist pin, and circlips. Ensure you measure your bore accurately before fitting. Proper lubrication of the pin and rings during assembly is vital for a successful break-in and long service life.

§ 03 / Specs

The numbers

Brand: PROX
Part number: 09101357
Weight: 0.17 kg
OEM cross-refs: 13101-KSE-670
VAT: 20%

// Fitment

Will it fit your bike?

Fits 1 model · 1 year-band

Honda CRF 150 R 2007–2011

* 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 — a UK shop for motocross, enduro, and trail-bike hard parts. Every fitment lives on the site, listed against KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is the data: fully enriched fitment so you find the right part for your bike quickly and get it fitted accurately. 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 and e-moto only. We operate from our storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. The business has a rich motorcycle history across multiple moto brands — the photos show where we came from — and recently pivoted into hard parts and online retail.