![Load image into Gallery viewer, 1-3000-4040 355 Stroker Small Block Ford 289 - 302 1 FX Series -4cc Flat Top SBF 20 Degree Inline Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/SBFFX-SFTINHR_7a2fb613-d565-47e5-b5a1-22d84b4e1d17_400x@2x.jpg?v=1718904868)
![Load image into Gallery viewer, 1-3000-4040 355 Stroker Small Block Ford 289 - 302 1 FX Series -4cc Flat Top SBF 20 Degree Inline Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FX1_67eefec8-9b4c-4397-b284-23e0f48b9982_400x@2x.jpg?v=1718904868)
![Load image into Gallery viewer, 1-3000-4040 355 Stroker Small Block Ford 289 - 302 1 FX Series -4cc Flat Top SBF 20 Degree Inline Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_8715f181-01d4-44d9-b01a-81a80c97a599_400x@2x.jpg?v=1718904868)
![Load image into Gallery viewer, 1-3000-4040 355 Stroker Small Block Ford 289 - 302 1 FX Series -4cc Flat Top SBF 20 Degree Inline Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_e2c7c65b-9343-490b-8c32-d40bde2df120_400x@2x.png?v=1718904868)
Engine Brand: Ford
Engine Family: Small Block Ford 289 - 302
Engine Size: 355 Stroker
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in , 102.535 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.055"
Pin Diameter: 0.927"
Connecting Rod Length: 5.400"
Crankshaft Stroke: 3.470"
Piston Series: 1 - FX 4032 Alloy
Alloy: 4032 Alloy
Cylinder Head: SBF 20 Degree Inline
TDC Assembly Height: 8.190"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 11.35 to 1 |
64 | 10.55 to 1 |
70 | 9.85 to 1 |
Engine Brand: Ford
Engine Family: Small Block Ford 289 - 302
Engine Size: 355 Stroker
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in , 102.535 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.055"
Pin Diameter: 0.927"
Connecting Rod Length: 5.400"
Crankshaft Stroke: 3.470"
Piston Series: 1 - FX 4032 Alloy
Alloy: 4032 Alloy
Cylinder Head: SBF 20 Degree Inline
TDC Assembly Height: 8.190"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 11.35 to 1 |
64 | 10.55 to 1 |
70 | 9.85 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)