![Load image into Gallery viewer, 2-2308-4125 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-MHCHR_7e5a2a9f-1a2d-4c0d-8ae5-8213b7e95022_400x@2x.jpg?v=1718761728)
![Load image into Gallery viewer, 2-2308-4125 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/FX2_5c20727e-b5f9-4e98-b3ac-7ab85d057b7a_400x@2x.jpg?v=1718761728)
![Load image into Gallery viewer, 2-2308-4125 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_d0bb8386-0b69-4c34-aaaf-e122d87c3d4b_400x@2x.jpg?v=1718761728)
![Load image into Gallery viewer, 2-2308-4125 383 Small Block Chevy 2 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_8714a6ef-d55f-4f42-a261-cb7ce2adfd08_400x@2x.png?v=1718761728)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.125 in , 104.693 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
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 | 14.09 to 1 |
64 | 12.93 to 1 |
70 | 11.99 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.125 in , 104.693 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
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 | 14.09 to 1 |
64 | 12.93 to 1 |
70 | 11.99 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)