Wiseco Chevy Small Block 4.125in Bore 1.120in CH 13.50 CC Piston Set

Forged from 2618 aluminum, these Wiseco pistons are built for the demands of serious racing and heavy-duty engine builds. The 4.125-inch bore size is a common specification for many Chevrolet Small Block performance applications, and the 1.120-inch compression height is carefully machined to work with specific crankshafts and connecting rods to achieve your desired compression ratio. Wiseco machines these pistons in the USA, ensuring precise tolerances for critical components like the ring grooves, which feature anti-detonation designs and additional features for improved ring seal. This attention to detail helps prevent detonation and ensures the rings maintain consistent contact with the cylinder wall under extreme conditions.

Beyond the core forging and machining, these pistons come with an ArmorGlide skirt coating. This specialized coating is designed to reduce friction between the piston skirt and the cylinder wall, which not only helps with engine efficiency but also makes the operation quieter and more resistant to seizure, especially during high-stress situations. The fully machined crown ensures a clean combustion chamber surface, and the forced pin oiling feature helps keep the wrist pin lubricated, a crucial detail for longevity in high-performance engines. This set includes eight pistons, ready for your next severe duty race build.