![Load image into Gallery viewer, 3-2408-4040 383 Small Block Chevy 3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SHCHR_dfc6ca5c-dd19-42ce-bb3a-be853a3e082a_400x@2x.jpg?v=1718763548)
![Load image into Gallery viewer, 3-2408-4040 383 Small Block Chevy 3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FX3_9abe96c7-378a-48e1-b5ef-b89d73bd8011_400x@2x.jpg?v=1718763548)
![Load image into Gallery viewer, 3-2408-4040 383 Small Block Chevy 3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_84574bae-fd21-4d9e-9d2d-da1ebe69053a_400x@2x.jpg?v=1718763548)
![Load image into Gallery viewer, 3-2408-4040 383 Small Block Chevy 3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.040 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_5bb7e6d1-a115-4885-965d-e546e4aa1b9c_400x@2x.png?v=1718763548)
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: 3 - FX 2618 Alloy Gas Ports, XP Pin Upgrade, Spiral Locks
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 13.63 to 1 |
64 | 12.54 to 1 |
70 | 11.6 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: 3 - FX 2618 Alloy Gas Ports, XP Pin Upgrade, Spiral Locks
Alloy: 2618 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 13.63 to 1 |
64 | 12.54 to 1 |
70 | 11.6 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)