![Load image into Gallery viewer, 2-2400-4000 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SFTHR_4f11aeca-8659-4168-932b-e0619df4b2f3_400x@2x.jpg?v=1718761751)
![Load image into Gallery viewer, 2-2400-4000 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/FX2_55275ba2-9576-40bb-888a-adf0286ddd2e_400x@2x.jpg?v=1718761751)
![Load image into Gallery viewer, 2-2400-4000 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_4c4ad8b0-d8c8-49ef-a428-bd77a82cd757_400x@2x.jpg?v=1718761751)
![Load image into Gallery viewer, 2-2400-4000 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_a5b32b41-2ecf-451d-b77e-26b1d6e0823b_400x@2x.png?v=1718761751)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in , 101.520 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 | 11.83 to 1 |
64 | 11.01 to 1 |
70 | 10.28 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in , 101.520 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 | 11.83 to 1 |
64 | 11.01 to 1 |
70 | 10.28 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)