MAHLE Original pistons are OE quality and have the same great OE features such as compensated ring grooves to assure proper ring loading and oil control, as well as expansion controlled designs for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control. MAHLE offers pistons ready for installation with mounted piston rings, with pin and clips included for the convenience of the engine builder. PartNumber : mhl2243540WR Description : Engine Piston Set w/Rings Piston oversize : Standard With Piston Rings : Yes 2000-2002 Chevrolet Camaro Z28 V8.-cc Engine Components::Piston Sets - Cast - 8cyl 2000-2002 Chevrolet Camaro Z28 SS V8.-cc Engine Components::Piston Sets - Cast - 8cyl 2003 Chevrolet Corvette 50th Anniversary Edition V8.-cc Engine Components::Piston Sets - Cast - 8cyl 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car V8.-cc Engine Components::Piston Sets - Cast - 8cyl 2000-2004 Chevrolet Corvette Base V8.-cc Engine Components::Piston Sets - Cast - 8cyl 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Piston Sets - Cast - 8cyl 1998-2002 Pontiac Firebird Trans Am V8.-cc Engine Components::Piston Sets - Cast - 8cyl