Wiseco Chevrolet LS 4.020in Bore 3.900in Stroke 1.165CH -9cc Dish - Set of 8

This is a set of eight Wiseco Professional Series forged pistons for Chevrolet LS engines. You get the pistons themselves, designed for serious racing and heavy-duty builds. They're made from 2618 aluminum, which is known for its strength, and are forged and machined right here in the USA. This material choice helps them stand up to the demands of severe duty performance applications.

Wiseco has packed these pistons with features to improve performance and durability. You'll find precision ring grooves, an anti-detonation groove, and other features aimed at improving ring seal. They also come with a special ArmorGlide skirt coating that helps reduce friction, resist seizure, and operate more quietly. The fully machined crown is also a notable detail, contributing to the overall well-built nature of these pistons. Plus, they include forced pin oiling to ensure the wrist pins stay well-lubricated under high stress.

These pistons are intended for builders who are pushing their LS engines hard, whether for racing or other severe duty uses. Keep in mind that these are not CARB approved and cannot be shipped to California. For a complete engine build, you'll want to ensure you have all the necessary supporting components like rings, connecting rods, and bearings that are compatible with these specifications.