![Load image into Gallery viewer, K2-2705-4030 408 Small Block Chevy K2-FX Series -21cc Dish Top Forged Piston Set. 4.030 bore](http://dssracing.com/cdn/shop/products/SBCFX-SLCMDHR_59b020cd-b49f-4bce-9c22-54d0203fa8b7_400x@2x.jpg?v=1672355607)
![Load image into Gallery viewer, DISCONTINUED USE K2-2475-4030 408 Small Block Chevy K2-FX Series -21cc Dish Top Forged Piston Set. 4.030 bore](http://dssracing.com/cdn/shop/products/FX2_c1a56dd9-bdaa-4248-8d6e-615e11a2f3fc_400x@2x.jpg?v=1678078407)
![Load image into Gallery viewer, DISCONTINUED USE K2-2475-4030 408 Small Block Chevy K2-FX Series -21cc Dish Top Forged Piston Set. 4.030 bore](http://dssracing.com/cdn/shop/products/kbox_8d94ad9b-0706-478a-9421-2549ad6776a4_400x@2x.jpg?v=1678078407)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.030 in - 102.28 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 | 10.57 to 1 |
64cc | 9.95 to 1 |
70cc | 9.41 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 408
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.030 in - 102.28 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 | 10.57 to 1 |
64cc | 9.95 to 1 |
70cc | 9.41 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)