![Load image into Gallery viewer, 2-2408-4155 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.155 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SHCHR_782b075b-20b4-4d13-ad8d-092ea732cb92_400x@2x.jpg?v=1718761807)
![Load image into Gallery viewer, 2-2408-4155 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.155 inch bore](http://dssracing.com/cdn/shop/files/FX2_aba71235-75e4-4ff9-9e0c-2b9747509509_400x@2x.jpg?v=1718761807)
![Load image into Gallery viewer, 2-2408-4155 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.155 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_5b4829d4-6778-42ae-9949-6f1d433600aa_400x@2x.jpg?v=1718761807)
![Load image into Gallery viewer, 2-2408-4155 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.155 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_93528077-3843-4d3c-bb00-aee1eea1ee56_400x@2x.png?v=1718761807)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.155 in , 105.454 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: 0.927"
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.750"
Piston Series: 2 - FX 2618 Alloy
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 14.25 to 1 |
64 | 13.11 to 1 |
70 | 12.13 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.155 in , 105.454 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: 0.927"
Connecting Rod Length: 6.000"
Crankshaft Stroke: 3.750"
Piston Series: 2 - FX 2618 Alloy
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 14.25 to 1 |
64 | 13.11 to 1 |
70 | 12.13 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)