![Load image into Gallery viewer, 2-2405-4125 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SLCMDHR_9a1a95b1-c7fc-46df-87cd-7d476b1fd1a5_400x@2x.jpg?v=1718761781)
![Load image into Gallery viewer, 2-2405-4125 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/FX2_6aa8bbce-0aaf-4430-ad83-47c6097bacf2_400x@2x.jpg?v=1718761781)
![Load image into Gallery viewer, 2-2405-4125 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_248d2bb2-7fb6-4343-b9ba-9da19a3fc768_400x@2x.jpg?v=1718761781)
![Load image into Gallery viewer, 2-2405-4125 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.125 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_a07695a7-deab-45db-a6d7-591ede5a1051_400x@2x.png?v=1718761781)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.125 in , 104.693 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: 0.927"
Connecting Rod Length: 6.000"
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 | 10.35 to 1 |
64 | 9.76 to 1 |
70 | 9.23 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.125 in , 104.693 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.125"
Pin Diameter: 0.927"
Connecting Rod Length: 6.000"
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 | 10.35 to 1 |
64 | 9.76 to 1 |
70 | 9.23 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)