![Load image into Gallery viewer, 1-2703-4040 408 Small Block Chevy 1-FX Series -16cc Dish Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/SBCFX-SLCMDHR_128c3802-d866-47d8-a3a7-9be36b446fa8_400x@2x.jpg?v=1672086608)
![Load image into Gallery viewer, DISCONTINUED USE 1-2473-4040 408 Small Block Chevy 1-FX Series -16cc Dish Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/FX1_81f826da-945b-41e7-af2b-43c3a96ce41a_400x@2x.jpg?v=1678072642)
![Load image into Gallery viewer, DISCONTINUED USE 1-2473-4040 408 Small Block Chevy 1-FX Series -16cc Dish Top Forged Piston Set. 4.040 bore](http://dssracing.com/cdn/shop/products/pistonbox_ae58c7ff-fad0-4fd1-94ab-252c62e46e94_400x@2x.jpg?v=1678072642)
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: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 11.19 to 1 |
64cc | 10.50 to 1 |
70cc | 9.90 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: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 11.19 to 1 |
64cc | 10.50 to 1 |
70cc | 9.90 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)