Comp cams xe268h for 318

If the Sealed Power version interest you, there is 3 variations of the H116CP piston. Part # H116CP and the over size, then there is part # H116CPY and the over size then there is H116CPX and the oversize. The differences is in the compression distance of each one , The H116CP is the tallest (and most expensive of the 3) then the "Y" and then the "X", the "X" is the same compression distance as the 4 notch 405 version and the cheapest and the "Y" is in-between price wise and comp distance wise. It weighs in at 734.1 g's with the pin as a reference (This was a .030 over for size)