Wiseco Professional Series forged piston set for Audi TT RS includes five pistons sized to 83.00 mm bore with a 1.165 in. compression height and 9.5cc dish. Built for heavy to severe duty race applications, these pistons are forged from 2618 aluminum and fully machined in the USA. They feature precision ring grooves, anti-detonation groove, ArmorGlide skirt coating, forced pin oiling and premium rings for durability under high load.
Wiseco Audi TT RS 83mm Bore 1.165in CH 9.5cc Dish - 5 Cyl