Rocker Arm Stud - BBC Exhaust Rocker Arm Stud - 7/16-14 in Base Thread - 7/16-20 in Top Thread - 2.000 in Effective Stud Length - 0.82 in Base Thread Length - Chromoly - Natural - Intake Rockers -...

Rocker Arm Stud - BBC Exhaust (Long) Rocker Arm Stud - 7/16-14 in Base Thread - 7/16-20 in Top Thread - 2.000 in Effective Stud Length - 1.30 in Base Thread Length - Chromoly - Exhaust Rockers - Big...

BBC Rocker Arm Stud Kit Exhaust Only (8) Rocker Arm Stud - Pro Series - 7/16-14 in Base Thread - 7/16-20 in Top Thread - 2.000 in Effective Stud Length - Chromoly - Exhaust Only - Universal - Set of 8

LS7 Rocker Arm Exhaust 1.8 Ratio Rocker Arm - Pedestal Mount - 1.8 Ratio - Full Roller - Steel - Natural - Exhaust - GM LS-Series - Each

Exhaust Shaft Big Chief/ Duke Rocker Arm Rocker Arm Shaft - 0.625 in OD - 2.179 in Long - Steel - T&D Machine Rocker Arms - Each