![Load image into Gallery viewer, K1-2405-4040-383-Small Block Chevy FXK1 Series -21cc Dish Top SBC 23 Degree-Forged-Piston-Set- 4.04 inch bore](http://dssracing.com/cdn/shop/files/SBCFX-SLCMDHR_05b047dc-5979-437d-bc46-dcc415bf24bb_400x@2x.jpg?v=1709733626)
![Load image into Gallery viewer, K1-2405-4040-383-Small Block Chevy FXK1 Series -21cc Dish Top SBC 23 Degree-Forged-Piston-Set- 4.04 inch bore](http://dssracing.com/cdn/shop/files/FX1_50315023-949f-4099-a034-fba88b51c240_400x@2x.jpg?v=1709733628)
![Load image into Gallery viewer, K1-2405-4040-383-Small Block Chevy FXK1 Series -21cc Dish Top SBC 23 Degree-Forged-Piston-Set- 4.04 inch bore](http://dssracing.com/cdn/shop/files/pistonbox_8f5671f5-2cc9-4eac-833b-874714ce2f94_400x@2x.jpg?v=1709733628)
![Load image into Gallery viewer, K1-2405-4040-383-Small Block Chevy FXK1 Series -21cc Dish Top SBC 23 Degree-Forged-Piston-Set- 4.04 inch bore](http://dssracing.com/cdn/shop/files/FXKKitBlack_fmtcopy_6c42e216-08f3-430f-9501-753402b23540_400x@2x.png?v=1709733629)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Includes 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: 1 - FX 4032 Alloy
Alloy: 4032 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 1.62 to 1 |
64 | 1.58 to 1 |
70 | 1.54 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 383
With/Without Rings: Includes 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: 1 - FX 4032 Alloy
Alloy: 4032 Alloy
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000"
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
58 | 1.62 to 1 |
64 | 1.58 to 1 |
70 | 1.54 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)