Okay so I have a set of Bms cosworth pistons part number pa0849/2 .20 over flat top pistons with pins, no rings. Compression height aprox 1.45" diameter is approx 3.815" . I also have a set of pistons that I believe are trw, but also stamped JE inside, they are 3.974 approx, and compression height is 1.825, .This set is cut for valves and extremely hefty. No pins or rings for this set. I will take $350 for the cosworth set plus shipping, and $300 for the trw set plus shipping. If you have more question or need pics please shoot me a text or give me call. 928 951 0200. Thanks Zach