![Load image into Gallery viewer, 2-2700-4040 408 Small Block Chevy 2-FX Series -5cc Flat Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/SBCFX-SFTHR_f5fede5b-800b-4049-914a-0d185480e05c_400x@2x.jpg?v=1672344885)
![Load image into Gallery viewer, DISCONTINUED USE 2-2470-4040 408 Small Block Chevy 2-FX Series -5cc Flat Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/FX2_6393d74b-79d5-4a4b-ac36-d28ddfc8141f_400x@2x.jpg?v=1678076139)
![Load image into Gallery viewer, DISCONTINUED USE 2-2470-4040 408 Small Block Chevy 2-FX Series -5cc Flat Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/pistonbox_fb68849b-f475-4228-8de4-5b99fdd681ed_400x@2x.jpg?v=1678076139)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in - 102.54 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.000"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 4.000"
Piston Series: 2-FX Series
Alloy: Forged 2618
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 12.76 to 1 |
64cc | 11.85 to 1 |
70cc | 11.07 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in - 102.54 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.000"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 4.000"
Piston Series: 2-FX Series
Alloy: Forged 2618
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 12.76 to 1 |
64cc | 11.85 to 1 |
70cc | 11.07 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)