AJPE BBC Large Port Cylinder Heads, Program #03, 368cc Int ports, 118cc chambers, 2.350″ x 1.880″ valve dia. Iron seats, 7/16″ head studs w/ steel Head stud inserts. (pair)

Muscle Head Stage V: Program V2-P8-F12, 2.490″ x 2.020″ valve dia, 104cc chambers. Std Copper intake valve seats, B5 Exhaust valve seats, .025″ Jr Hoops & All 9/16″ Head stud inserts. 2.600″ lifter spread, 12ø Exhaust Flange. (pair)