Mopar performance head

Charrlie_S said

Any of those pistons that I have seen, were just reboxed and more expensive stock pistons, and do not increase the CR.

Click to expand...

Curious. Those are P4529417, not listed in catalog or racing manual, but is in the Consumer Pricing List...? Only the P4529418 is shown in the catalog & racing manual as a .060" over 9:1 piston, and they were $14.50/each in '97!!!!!!