![Load image into Gallery viewer, K2-2703-4000 408 Small Block Chevy K2-FX Series -16cc Dish Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/SBCFX-SLCMDHR_07d6ee33-4654-465c-9de9-7a15892933f3_400x@2x.jpg?v=1672355579)
![Load image into Gallery viewer, DISCONTINUED USE K2-2473-4000 408 Small Block Chevy K2-FX Series -16cc Dish Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/FX2_02fd7c9e-c3e3-49d7-9c7a-e4ebdc7f57ae_400x@2x.jpg?v=1678078394)
![Load image into Gallery viewer, DISCONTINUED USE K2-2473-4000 408 Small Block Chevy K2-FX Series -16cc Dish Top Forged Piston Set. 4.000 bore](http://dssracing.com/cdn/shop/products/kbox_708ecfbb-8c04-4e19-952b-0bda1c85b11c_400x@2x.jpg?v=1678078394)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.000 in - 101.52 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 | 11.01 to 1 |
64cc | 10.33 to 1 |
70cc | 9.74 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.000 in - 101.52 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 | 11.01 to 1 |
64cc | 10.33 to 1 |
70cc | 9.74 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)