5300 Hemi V-8 Billet Cylinder Heads, Program #01, 2.650″ x 1.925″ Valve dia, 123cc chambers. Std Copper valve seats. Solid Billet (no water jackets). (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)