The Wiseco Professional Series piston set for Nissan RB25 engines offers an 86.50 mm bore and sport-compact dimensions supplied as a set of six. These forged pistons are machined in the USA from 2618 aluminum and include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for reduced friction and forced pin oiling. They’re intended for heavy to severe duty performance and racing use.
Wiseco Nissan RB25 DOME 6578M865 Piston Shelf Stock Kit