it's the casting # on the head. which is located on the side the timing chain cover is. between the 2 bolt holes.
they will fit on a 2.4 with some modifications. but compression goes WAY up.
__________________
72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
|