![Load image into Gallery viewer, 2-2308-4155 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-MHCHR_c80a9699-f669-47ad-859b-d01354dc4634_400x@2x.jpg?v=1718761730)
![Load image into Gallery viewer, 2-2308-4155 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_a47c188a-188a-4a79-bad2-fcb11ed98df2_400x@2x.jpg?v=1718761730)
![Load image into Gallery viewer, 2-2308-4155 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_873d9f1b-f8f6-4c13-8de8-426faebfd30d_400x@2x.jpg?v=1718761730)
![Load image into Gallery viewer, 2-2308-4155 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_c43e8d35-1dbb-4c3e-93c6-4ddd8d86af1a_400x@2x.png?v=1718761731)
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: 1.425"
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 | 14.25 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: 1.425"
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 | 14.25 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)