![Load image into Gallery viewer, 2-2305-4000 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-MLCMDHR_deb61686-1f0d-47d8-b6f0-836bfd043d95_400x@2x.jpg?v=1718761698)
![Load image into Gallery viewer, 2-2305-4000 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/FX2_f9808281-44f7-42a3-af6e-0eae7566187e_400x@2x.jpg?v=1718761699)
![Load image into Gallery viewer, 2-2305-4000 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_649415ea-dd0d-47ef-8198-08395a7f5c76_400x@2x.jpg?v=1718761699)
![Load image into Gallery viewer, 2-2305-4000 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.000 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_31f0d5ec-ac9c-4a17-a72b-7698324dd868_400x@2x.png?v=1718761699)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in , 101.520 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
Crankshaft Stroke: 3.750"
Piston Series: 2 - FX 2618 Alloy
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 9.86 to 1 |
64 | 9.28 to 1 |
70 | 8.78 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.000 in , 101.520 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
Crankshaft Stroke: 3.750"
Piston Series: 2 - FX 2618 Alloy
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 9.86 to 1 |
64 | 9.28 to 1 |
70 | 8.78 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)