![Load image into Gallery viewer, K3-2408-4185 383 Small Block Chevy K3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SHCHR_ade6150c-9cee-44b2-9f7a-4d15aca10cd7_400x@2x.jpg?v=1718770156)
![Load image into Gallery viewer, K3-2408-4185 383 Small Block Chevy K3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore](http://dssracing.com/cdn/shop/files/FX3_0159c6cf-6166-41c5-8fc9-19f4729de954_400x@2x.jpg?v=1718770156)
![Load image into Gallery viewer, K3-2408-4185 383 Small Block Chevy K3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_5a625fd9-f0dc-4abb-86f1-751712af731f_400x@2x.jpg?v=1718770156)
![Load image into Gallery viewer, K3-2408-4185 383 Small Block Chevy K3 FX Series +4cc Dome Top SBC 23 Degree Forged Piston Set 4.185 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_ff64138f-12c3-4801-a01e-f1d91e201a57_400x@2x.png?v=1718770156)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.185 in , 106.215 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 | 14.41 to 1 |
64 | 13.26 to 1 |
70 | 12.27 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Includes Rings
Cylinder Bore Size: 4.185 in , 106.215 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 | 14.41 to 1 |
64 | 13.26 to 1 |
70 | 12.27 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)