![Load image into Gallery viewer, 2-2400-4040 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-SFTHR_530740be-f1fb-4e6f-aa23-eade3325c5e3_400x@2x.jpg?v=1718761757)
![Load image into Gallery viewer, 2-2400-4040 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_3bdcd560-48b7-439e-aed6-c1f02b12e881_400x@2x.jpg?v=1718761757)
![Load image into Gallery viewer, 2-2400-4040 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_909c2436-c8ea-4732-baac-8f5058db0eee_400x@2x.jpg?v=1718761757)
![Load image into Gallery viewer, 2-2400-4040 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_ccf48387-da62-483d-947f-48faef1f6c46_400x@2x.png?v=1718761757)
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: 1.125"
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 | 12.04 to 1 |
64 | 11.2 to 1 |
70 | 10.45 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: 1.125"
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 | 12.04 to 1 |
64 | 11.2 to 1 |
70 | 10.45 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)