Edelbrock 60499: Performer High-Compression 454-O Oval Port Cylinder Head for Big Block Chevy
Performer High-Compression Cylinder Heads
Big Block Chevy 396-502ci (1987-1995 454 TBI engines will yield 8.8:1cr) Valve Springs for Hydraulic Flat Tappet Port Volume: 290cc/110cc Valve Size: 2.19"/1.88" 100cc Combustion Chambers Assembled, Sold Individually