Wiseco Pro Tru Street Chevy Big Block 4.320in Bore 1.270in CH -3.00 CC Piston Set

When you're rebuilding the heart of your Chevy Big Block, you want parts you can trust to get you on the road or down the track. This set from Wiseco gives you everything you need to get started. You'll receive eight Pro Tru Street series pistons, forged from 4032 alloy aluminum right here in the USA. This set is designed for a 4.320-inch bore and includes the necessary rings, pins, and clips, making it a truly all-inclusive package for your engine build.

Wiseco's Pro Tru Street pistons feature an AS-Forged dome with specific crown features and oil drain backs, which helps manage combustion and oil flow. The ArmorGlide skirt coating is a notable addition, designed to reduce friction for quieter operation and resist seizure, especially important during the break-in period and under demanding use. The included chromium alloy steel piston pins are strong and durable, paired with Spirolox clips for secure retention. The 4032 forged aluminum construction offers a good balance of strength and lighter weight compared to cast pistons, making them a solid choice for street performance builds.

This piston set is intended for engine builds where a 4.320-inch bore is specified. It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions and specifications to ensure proper fitment and performance for your specific engine build.