GM LS1 Cast Piston Set 5.7L 97-04

The GM LS1 Cast Piston Set 5.7L 97-04 by Sealed Power is a complete eight-piston solution specifically engineered for General Motors LS-series engine platforms. This hypereutectic cast piston set is manufactured to OEM specifications, making it a reliable choice for those looking to replace worn pistons in 5.7L LS1 engines from 1997 to 2004.

Each piston features a 3.907-inch bore diameter and ring groove dimensions of 1.50 x 1.50 x 3.00 mm, accommodating standard LS-series ring packages. The hypereutectic cast construction provides good thermal stability and is designed to handle the demands of typical street applications. The coated skirt design reduces friction and minimizes scuffing risk during engine break-in and operation.

This piston set is ideal for LS1 engine builders and rebuilders who require a cost-effective replacement that maintains OEM-level fitment and performance standards. Whether restoring a classic Chevrolet Corvette or truck platform, Sealed Power's hypereutectic design offers the stability expected from a major manufacturer.