Chevy 428ci Head: all 15°/L92 Bore:4.125
- Bore: 4.125"
- Stroke: 4.000"
- Rod Length: 6.125"
- Compression Height: 1.110"
- Dome: Flat Top
- Dome/Dish Volume: -3.8cc
- Reference Chamber: 70.0cc
- Catalog Compression Ratio: 11.30:1
- Piston Weight: 496g
- Resulting Displacement: 428 cid
