I bought these a while back from a friend. Turns out my motor is .040 so i cant use them. They were installed but never ran. They are mounted on stock lt1 rods. These are not LT1 pistsons, but SBC pistons and raise compression slightly. 4 valve reliefs flat tops. With stock heads, no shaving of heads or block deck height you are looking at 10.8 compression. I only want exactly what I have in them; $208 shipped for rods and pistons. I wont go any lower.
Ill have the right part number tommorrow night. I cant get the one I wrote down to come up in Summit. They are forged pistons though. The P/N has a "L" in it.

 

The correct part number for Summit is TRW-L2256F30

 

Will these work with a 383 setup? as in a 5.7 inch rod and a 3.75 inch stroke crank, cause if they will...i will take these right now

 

The compression height is 1.563 so I think thats to tall. You would end up with a total length 9.138. I think they would stick out of the block. For a 383 you need a piston around 1.430CH.

 

These would make a great budget 355!!!

 

Still have these? Were they used?