Stock bore 454 Keith black forged Pistons with rings. Bought new and never used. Tech data: 4032 alloy forged piston which is designed or a 454ci (6.135 rod, 4.000 stroke) and has a .500” dome calculating -44.7cc dome volume. These are designed for an open chamber 119cc head. At zero deck with a .040” gasket the compression ratio would be around 12.1-12.2:1 static compression. |