
#4 AN Plug, Button head, with O-ring, 7/16-20 thread. (each)
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Muscle Head Stage V: Program V3-P3-F12, 2.400″ x 1.900″ Valve dia, 102cc chambers. Std Copper intake valve seats, B5 Exhaust valve seats, .025″ Jr Hoops, 5/8″ Top Row & 9/16″ Bottom Row Head stud inserts. 2.600″ lifter spread, 12ø Exhaust Flange. (pr)
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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)
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Intake Port O-Ring, #152 Buna N: .103″ x 3.237″ x 3.443″ Fits: Muscle Head Stg IV + V. (each)
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