Wiseco Chevy LS Series -20cc R/Dome 4.165inch Bore Piston Shelf Stock Kit

If you're building a serious performance LS engine, this Wiseco Professional Series piston kit is designed to handle the demands. These pistons are forged and machined in the USA from 2618 aluminum, a material chosen for its improved tensile strength, making them well-suited for heavy to severe duty applications. The -20cc dome shape is specific for certain LS engine configurations, and the 4.165-inch bore size is a common upgrade for increased displacement.

Wiseco has packed these pistons with features to ensure durability and performance. You'll find precision ring grooves, an anti-detonation groove, and other features designed to improve ring seal. The crown of each piston is fully machined, and they include forced pin oiling to keep the wrist pins lubricated under high stress. Additionally, the ArmorGlide skirt coating helps reduce friction, resist seizure, and operate more quietly, which is a notable benefit in high-performance builds.

This kit includes a set of eight pistons, ready to be installed in a wide range of LS-powered vehicles. It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.