![Load image into Gallery viewer, 1-2700-4185 434 Small Block Chevy 1-FX Series -5cc Flat Top Forged Piston Set. 4.185 bore](http://dssracing.com/cdn/shop/products/SBCFX-SFTHR_939bf5e8-111e-4853-8e43-4cd6d4add39b_400x@2x.jpg?v=1672086593)
![Load image into Gallery viewer, DISCONTINUED USE 1-2470-4185 434 Small Block Chevy 1-FX Series -5cc Flat Top Forged Piston Set. 4.185 bore](http://dssracing.com/cdn/shop/products/FX1_202f964f-edbe-43d0-a4e9-c5c06fd8bc28_400x@2x.jpg?v=1678072641)
![Load image into Gallery viewer, DISCONTINUED USE 1-2470-4185 434 Small Block Chevy 1-FX Series -5cc Flat Top Forged Piston Set. 4.185 bore](http://dssracing.com/cdn/shop/products/pistonbox_4d932161-4248-40a7-b751-829d82564bd1_400x@2x.jpg?v=1678072641)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Without Rings
Cylinder Bore Size: 4.185 in - 106.22 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 | 13.52 to 1 |
64cc | 12.55 to 1 |
70cc | 11.73 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Without Rings
Cylinder Bore Size: 4.185 in - 106.22 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 | 13.52 to 1 |
64cc | 12.55 to 1 |
70cc | 11.73 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)