PISTON KIT 15-25 BETA RR350 4T 88mm, PROX 01.7355.B BETA 350RR, 13.2:1

Forged PISTON KIT B 87.97 mm Bore. STD. Compression 13.2:1

Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. – ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. – Uses an OEM style tin coating to assist the break-in process when you first start your machine.

Replacements parts.
PROX RING SET  
PROX PISTON PIN  
PROX CLIPS

BETA
350RR Enduro 4T (2015-2025)

PROX 01.7355.B