5.3 Semi-Hemi Water Cap, Center, with 6 screw holes. Requires 3ea per V-8 cyl head, 2ea per V-6 cyl head Use w/ #00Z-060 8-32 x3/8″ SHCS. (each)

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)