Chevy 428ci Head: LT1 14-18 Bore: 4.125
- Bore: 4.125"
- Stroke: 4.000"
- Rod Length: 6.125"
- Compression Height: 1.115"
- Dome Height: -0.140"
- Dome/Dish Volume: -18.4cc
- Reference Chamber: 58.2cc
- Catalog Compression Ratio: 10.80:1
- Piston Weight: 476g
- Resulting Displacement: 428 cid
