I was given several months ago Speed Pro Pistons. I was told they are a part of a 383 setup. However I cant find anyone that can help me with what Connecting rods I need to make this complete. I have listed below what is on the box.

H859CP STD.
Minimum Clearance 0.0010
383 Chevy 12cc Dish
Bore Range 4.000-4.001
Skirt Size 3.99875 +/- .00025 Inches

Any help would be great.

 

I think they are for a 5.7" rod and from the specs, a stock bore. But you should measure them to be sure.

Rich