![Load image into Gallery viewer, 1-2412-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/SBCFX-SHCHR_2a76bece-f53b-463f-b67c-02f942549a9d_400x@2x.jpg?v=1672086131)
![Load image into Gallery viewer, DISCONTINUED USE 1-2408-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/FX1_579852d3-adf6-49e5-b7f6-8f7ab5971310_400x@2x.jpg?v=1678072530)
![Load image into Gallery viewer, DISCONTINUED USE 1-2408-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/pistonbox_30eed042-e324-4234-ba40-466e256a0952_400x@2x.jpg?v=1678072530)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in - 101.52 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.750"
Piston Series: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 13.41 to 1 |
64cc | 12.32 to 1 |
70cc | 11.40 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in - 101.52 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.750"
Piston Series: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 13.41 to 1 |
64cc | 12.32 to 1 |
70cc | 11.40 to 1 |
The DSS FX, X-Groove Feature
![](http://dssracing.com/cdn/shop/files/Screen_Shot_2023-02-02_at_12.58.44_PM_1780x_e2888a05-9892-4c89-88c1-e71433dd4633_750x.gif?v=1680360352)