Big Block Chevy 509 ci 4.500 1.245 CH +46.9cc
- Bore: 4.500"
- Stroke: 4.000"
- Rod Length: 6.535"
- Compression Height: 1.245"
- Dome Height: +0.650"
- Dome/Dish Volume: +46.9cc
- Reference Chamber: 118.0cc
- Catalog Compression Ratio: 13.10:1
- Piston Weight: 654g
- Resulting Displacement: 509 cid
