![Load image into Gallery viewer, 3-6170-4000-301-Pontiac 301 FX3 Series -0cc Flat Top No Notch Pontiac 301-Forged-Piston-Set- 4 inch bore](http://dssracing.com/cdn/shop/files/JFX-MLC10HR_4fec9dd8-3bc2-4ee2-a8fe-5232350b53e9_400x@2x.jpg?v=1709221423)
![Load image into Gallery viewer, 3-6170-4000-301-Pontiac 301 FX3 Series -0cc Flat Top No Notch Pontiac 301-Forged-Piston-Set- 4 inch bore](http://dssracing.com/cdn/shop/files/FX3_7f044cc1-b24f-4914-8e95-eea5dfead054_400x@2x.jpg?v=1709221423)
![Load image into Gallery viewer, 3-6170-4000-301-Pontiac 301 FX3 Series -0cc Flat Top No Notch Pontiac 301-Forged-Piston-Set- 4 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_6b39e045-d184-4556-a05c-f843de557c40_400x@2x.jpg?v=1709221423)
![Load image into Gallery viewer, 3-6170-4000-301-Pontiac 301 FX3 Series -0cc Flat Top No Notch Pontiac 301-Forged-Piston-Set- 4 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_fmtcopy_b922a4d1-b897-4cfb-9c44-84c4dc383c49_400x@2x.png?v=1709221423)
Engine Brand: Pontiac
Engine Family: Pontiac 301
Engine Size: 301
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in - 101.52 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.570
Pin Diameter: .927
Connecting Rod Length: 6.050 in
Crankshaft Stroke: 3.000 in
Piston Series: 3 - FX Series
Alloy: Forged 2619
Cylinder Head: Pontiac 301
TDC Assembly Height: 9.12
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
65cc | 9.45 to 1 |
72cc | 8.71 to 1 |
78cc | 8.17 to 1 |
Engine Brand: Pontiac
Engine Family: Pontiac 301
Engine Size: 301
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in - 101.52 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.570
Pin Diameter: .927
Connecting Rod Length: 6.050 in
Crankshaft Stroke: 3.000 in
Piston Series: 3 - FX Series
Alloy: Forged 2619
Cylinder Head: Pontiac 301
TDC Assembly Height: 9.12
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
65cc | 9.45 to 1 |
72cc | 8.71 to 1 |
78cc | 8.17 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)