New Forged pistons on the left . Stock brand bew piston on the right
Ceramic coated top with treatment on the skirts.Scalloped out to lower the compression to 9.5 : 1 with a diameter 86.5
Notice the little groove under the 1st ring land. There to aid less knocking.
Also the modified squish area can be seen to the trained eye.There is a little more meat all around and under the 3rd ringland.
