![Load image into Gallery viewer, 1-2312-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/SBCFX-MHCHR_b5f6834e-6c37-44cf-88c4-bc755d4efead_400x@2x.jpg?v=1672085875)
![Load image into Gallery viewer, DISCONTINUED USE 1-2308-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/FX1_5a8a9f4d-2a59-40cf-8d9a-516930bd0dd0_400x@2x.jpg?v=1678072468)
![Load image into Gallery viewer, DISCONTINUED USE 1-2308-4000 383 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/pistonbox_a7f13f87-72cd-4baf-aab6-8a8e7d66504c_400x@2x.jpg?v=1678072468)
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: 1.425"
Pin Diameter: .927
Connecting Rod Length: 5.700"
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: 1.425"
Pin Diameter: .927
Connecting Rod Length: 5.700"
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)