Up for bid is a brand new set of Kb Icon 4 valve relief forged Pistons . They are for a 347 small block ford. The bore is 4.030 rod 5.400 stroke 3.400. THESE ARE BRAND NEW SEALED IN THE BOX FROM MANUFACTURE... The piston on the box is another set I'm building a motor with its the same set of Pistons... They are $504.99 at jegs I have posted a pic from jegs that gives u compression ratio...