09103448 PISTON KIT FORGED 71.95MM B

Name: PROX PISTON KIT FORGED 71.95MM B
Brand: PROX
SKU: 09103448
Price: 168.44 GBP
Availability: InStock

Fits Beta RR 300

RRP £210.55 Save 20%

£168.44

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 09103448

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§ 02 / About this part

What it is

The PROX PISTON KIT FORGED 71.95MM B, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

This forged piston kit is designed for high-load top-end applications. It sits in the cylinder to maintain compression and power. Forged pistons offer better durability under extreme heat than cast alternatives. The B-size provides a precise fit for cylinders with moderate wear. Regular replacement is key to preventing piston slap and protecting your cylinder plating. Ensure the arrow on the piston crown points toward the exhaust port during installation. Check your small-end bearing for play and replace it if necessary during the rebuild.

§ 03 / Specs

The numbers

Brand: PROX
Part number: 09103448
Weight: 0.35 kg
VAT: 20%

// Fitment

Will it fit your bike?

Fits 1 model · 1 year-band

Beta RR 300 2013–2015

* 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.