![Load image into Gallery viewer, K1-2712-4165 434 Small Block Chevy K1-FX Series +4cc Dome Top Forged Piston Set. 4.165 bore](http://dssracing.com/cdn/shop/products/SBCFX-SHCHR_27c7af8c-1fd0-45ef-a531-79b69b556c36_400x@2x.jpg?v=1672101835)
![Load image into Gallery viewer, DISCONTINUED USE K1-2478-4165 434 Small Block Chevy K1-FX Series +4cc Dome Top Forged Piston Set. 4.165 bore](http://dssracing.com/cdn/shop/products/FX1_229d46d6-09b3-45fa-b0ea-fb58df51a279_400x@2x.jpg?v=1678074880)
![Load image into Gallery viewer, DISCONTINUED USE K1-2478-4165 434 Small Block Chevy K1-FX Series +4cc Dome Top Forged Piston Set. 4.165 bore](http://dssracing.com/cdn/shop/products/kbox_ba4d4997-eb70-40d0-9f43-0577dcf70e1a_400x@2x.jpg?v=1678074880)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.165 in - 105.71 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 | 15.19 to 1 |
64cc | 13.96 to 1 |
70cc | 12.92 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.165 in - 105.71 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 | 15.19 to 1 |
64cc | 13.96 to 1 |
70cc | 12.92 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)