The Wiseco Professional Series forged piston set for the Nissan QR25DE is built as a four-piece solution for severe-duty engines. These pistons are specified at 89.50 mm bore with a 32.00 mm compression height and -19.50 cc, and include premium rings and fully machined crowns. Made in the USA from 2618 aluminum, features include precision ring grooves, an anti-detonation groove, forced pin oiling and ArmorGlide skirt coating to improve ring seal, reduce friction and resist seizure in high-stress applications.
Wiseco Nissan QR25DE 89.50 mm Bore 32.00 mm CH -19.50 CC Piston Set