Wiseco Professional Series forged piston set for Chevrolet small block with a 4.030 in bore and 1.250 in compression height, supplied as a set of eight pistons with 0.927 in pin diameter and -1.70 cc specification. Forged from 2618 aluminum and fully machined in the USA, these pistons feature precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance and reduced friction, forced pin oiling, and premium rings for severe-duty race applications.
Wiseco Chevy Small Block 4.030in Bore 1.250in CH -1.70 CC Piston Set