![Load image into Gallery viewer, 2-2405-4165 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.165 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SLCMDHR_58e3e55f-1205-47cd-ad10-03148ac817fd_400x@2x.jpg?v=1718761786)
![Load image into Gallery viewer, 2-2405-4165 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.165 inch bore](http://dssracing.com/cdn/shop/files/FX2_b30c4ea2-eb36-4525-864e-c791b702c697_400x@2x.jpg?v=1718761786)
![Load image into Gallery viewer, 2-2405-4165 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.165 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_25d3e871-a37a-4a83-b3b1-a62c6064e9d4_400x@2x.jpg?v=1718761786)
![Load image into Gallery viewer, 2-2405-4165 383 Small Block Chevy 2 FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.165 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_54ad4810-5d34-4453-a2e7-67783cd51ad6_400x@2x.png?v=1718761786)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.165 in , 105.708 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 | 10.52 to 1 |
64 | 9.92 to 1 |
70 | 9.38 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Without Rings
Cylinder Bore Size: 4.165 in , 105.708 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 | 10.52 to 1 |
64 | 9.92 to 1 |
70 | 9.38 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)