The Wiseco Piston Kit Pro Tru for Oldsmobile 455 features a 4.155 in bore and 1.750 in compression height. Designed for high-performance applications,...
The Wiseco Piston Kit Pro Tru for Oldsmobile Big Block 455 features a 4.125-inch bore, 1.750-inch compression height, and a -15 cc reverse dome volume....