![Load image into Gallery viewer, K1-6483-4030-506-Mopar Viper/SRT FXK1 Series -10cc Dish Top No Notch Mopar Viper/SRT-Forged-Piston-Set- 4.03 inch bore](http://dssracing.com/cdn/shop/files/VIPFX-MLCHR_6e12cbe3-5f2b-441d-9ae8-7dddff4929ca_400x@2x.jpg?v=1709585861)
![Load image into Gallery viewer, K1-6483-4030-506-Mopar Viper/SRT FXK1 Series -10cc Dish Top No Notch Mopar Viper/SRT-Forged-Piston-Set- 4.03 inch bore](http://dssracing.com/cdn/shop/files/FX1_4e7bc438-f7f1-4543-9999-f7195b7bb839_400x@2x.jpg?v=1709585861)
![Load image into Gallery viewer, K1-6483-4030-506-Mopar Viper/SRT FXK1 Series -10cc Dish Top No Notch Mopar Viper/SRT-Forged-Piston-Set- 4.03 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_122dd266-7ba6-4545-8dc4-24161368fde6_400x@2x.jpg?v=1709585860)
![Load image into Gallery viewer, K1-6483-4030-506-Mopar Viper/SRT FXK1 Series -10cc Dish Top No Notch Mopar Viper/SRT-Forged-Piston-Set- 4.03 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_fmtcopy_25f1887a-06b1-43ce-ada4-a06e367969e9_400x@2x.png?v=1709585861)
Engine Brand: Viper
Engine Family: Mopar Viper/SRT
Engine Size: 506
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.030 in - 102.28 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.220
Pin Diameter: .927
Connecting Rod Length: 6.242 in
Crankshaft Stroke: 3.960 in
Piston Series: 1 - FX Series
Alloy: Forged 4032
Cylinder Head: Mopar Viper/SRT
TDC Assembly Height: 9.442
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
64cc | 11.05 to 1 |
74cc | 9.96 to 1 |
84cc | 9.09 to 1 |
Engine Brand: Viper
Engine Family: Mopar Viper/SRT
Engine Size: 506
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.030 in - 102.28 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.220
Pin Diameter: .927
Connecting Rod Length: 6.242 in
Crankshaft Stroke: 3.960 in
Piston Series: 1 - FX Series
Alloy: Forged 4032
Cylinder Head: Mopar Viper/SRT
TDC Assembly Height: 9.442
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
64cc | 11.05 to 1 |
74cc | 9.96 to 1 |
84cc | 9.09 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)