The Wiseco Professional Series forged piston set for Chevrolet small block is specified for a 4.030 in. bore with a taller 1.550 in. compression height and a -1.70 cc profile. Delivered as a set of eight, these Professional pistons are forged from 2618 aluminum and fully machined, with precision ring grooves, anti-detonation groove, ArmorGlide skirt coating for seizure resistance, forced pin oiling and premium rings for demanding race use.
Wiseco Chevy Small Block 4.030in Bore 1.550in CH -1.70 CC Piston Set