![Load image into Gallery viewer, 2-2320-4040 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-MFTHR_787492fb-5cda-4503-803d-5bcf18a2826e_400x@2x.jpg?v=1718761739)
![Load image into Gallery viewer, 2-2320-4040 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FX2_b9fc7448-09ab-4bfc-976a-a7615c27d978_400x@2x.jpg?v=1718761739)
![Load image into Gallery viewer, 2-2320-4040 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_ef8d1dc6-cea1-4d07-b323-0381b4c32ca2_400x@2x.jpg?v=1718761739)
![Load image into Gallery viewer, 2-2320-4040 383 Small Block Chevy 2 FX Series -5cc Flat Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_75bc5207-1fda-47f9-a286-3a703221f676_400x@2x.png?v=1718761739)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in , 102.535 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.400"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
Crankshaft Stroke: 3.800"
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 | 12.18 to 1 |
64 | 11.33 to 1 |
70 | 10.58 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.040 in , 102.535 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.400"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
Crankshaft Stroke: 3.800"
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 | 12.18 to 1 |
64 | 11.33 to 1 |
70 | 10.58 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)