![Load image into Gallery viewer, 2-2305-4165 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-MLCMDHR_f048a0e2-6c96-4fa4-b8c5-45c10567b685_400x@2x.jpg?v=1718761707)
![Load image into Gallery viewer, 2-2305-4165 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_faee012b-6551-46ce-b685-ddf5b2d0c902_400x@2x.jpg?v=1718761707)
![Load image into Gallery viewer, 2-2305-4165 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_c67dfc78-cd2c-48c5-aa39-2d5e6f8e06e1_400x@2x.jpg?v=1718761707)
![Load image into Gallery viewer, 2-2305-4165 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_2dd48517-1666-4ecf-8bc3-24a01bf8dbe8_400x@2x.png?v=1718761708)
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: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
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: 1.425"
Pin Diameter: 0.927"
Connecting Rod Length: 5.700"
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)