Wiseco Pro Tru Street Chevy Big Block 4.250in Bore 1.645in CH 21.00 CC Piston Set

When you're rebuilding your Chevy Big Block, this Wiseco Pro Tru Street piston set gives you everything you need to get started. You get a full set of eight pistons, forged from 4032 alloy aluminum right here in the USA. This kit is designed to be an all-inclusive solution, so it comes complete with the necessary rings, pins, and clips to get your engine back together.

These pistons feature an AS-Forged dome with specific crown features and oil drain backs, which helps manage combustion and oil flow. The 4032 aluminum alloy is a solid choice for street performance, offering a good balance of strength and lighter weight compared to cast pistons. Wiseco also includes an ArmorGlide skirt coating, which is designed to reduce friction and help prevent seizure, leading to quieter operation and potentially improved longevity. The included chromium alloy steel piston pins and Spirolox clips are well-made to handle the stresses of a performance street engine.

This set is intended for a 4.250 inch bore with a 1.645 inch compression height and a 21.00 CC combustion chamber volume. Keep in mind 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.