12-'14 for Beta 498 RR PROX Piston Kit Forged Nikasil Cyl 99.95/Std 12.0:1 Beta spun-louvered baffle creates back pressure

spun-louvered baffle creates back pressure and accelerates exhaust gases

Zippered air intake vents are strategically positioned for optimized airflow when opened

Add a MotoGP style look to any motorcycle by having a larger single bubble

Innovative one-piece plastic injected 'fish tail' midsole reinforced with a metal shank

12-'14 for Beta 498 RR PROX Piston Kit Forged Nikasil Cyl 99.95/Std 12.0:1 Beta spun-louvered baffle creates back pressureManufacturer: Pro X MPN: 01. 7512. A Title: ProX Piston Kit Beta 2012 14 RR498 Size: Option: Color: save $$ over oem pricing cast pistons in a, b, c and d sizing put engine back to specs without boring or replacing cylinder interchanges directly with oem parts bearings and seals are also oem quality piston kit comes complete with piston, rings, pin, and end clips used by top teams like: factory connection honda fmf honda planet honda procircuit