This piston setup is designed for high-performance applications, and the -23.9 cc dish volume helps determine the engine's compression ratio. The 4.005-inch bore and 4.125-inch stroke suggest a balanced performance build.
Features
Piston Brand/Model: Bullet Piston
Engine Fitment: GM 6.0L (likely LS or Gen IV small block V8)
Bore Size: 4.005 inches
Stroke: 4.125 inches
Piston Type: Dish design
Dish Volume: -23.9 cc (concave area on piston)
Application: Performance or modified GM 6.0L engine, likely to adjust compression ratio and combustion characteristics