


Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 420
With/Without Rings: Without Rings
Cylinder Bore Size: 4.165 in - 105.71 mm
Ring Width: 1/16-1/16-3/16"
Compression Height: 1.062"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.875"
Piston Series: SX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 10.11 to 1 |
64cc | 9.57 to 1 |
70cc | 9.08 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 420
With/Without Rings: Without Rings
Cylinder Bore Size: 4.165 in - 105.71 mm
Ring Width: 1/16-1/16-3/16"
Compression Height: 1.062"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.875"
Piston Series: SX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 10.11 to 1 |
64cc | 9.57 to 1 |
70cc | 9.08 to 1 |