Wiseco Chevy Small Block 4.145in Bore 1.120in CH 13.50 CC Piston Set

If you're building a high-performance Chevrolet Small Block engine, this Wiseco Professional Series piston set is designed to handle some serious punishment. These pistons are made for builders who are pushing their engines hard, whether that's on the track or in a heavy-duty street application. They are forged and machined right here in the USA from 2618 aluminum, which gives them improved tensile strength to stand up to the demands of racing.

Wiseco has packed a lot of thoughtful features into these pistons. You'll find precision ring grooves, an anti-detonation groove, and other features to help improve ring seal, which is crucial for power and engine longevity. They also come with an ArmorGlide skirt coating that helps reduce friction and resist seizure, while also making operation quieter. The fully machined crown ensures accuracy, and the forced pin oiling helps keep the wrist pins properly lubricated under extreme conditions. This set is built to withstand heavy to severe duty performance applications, giving you the confidence to push your engine's limits.

This set includes eight pistons, designed for a 4.145-inch bore with a 1.120-inch compression height and a 0.927-inch pin diameter. Please note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures.