With a 3/8" base thread and a 7/16" rocker thread, this rocker arm stud has a 1.900" effective length for use with Mark V and Mark VI Chevrolet Big Blocks.
Hi-Tech Rocker Stud for BBC w/ 3/8" Base Thread and 7/16" Rocker Thread
Stud BBC 3/8" Base Thread 7/16" Rocker
4514-1 - Stud,CB Mark V Rocker
COMP Cams StudCB Mark V Rocker
Engine Rocker Arm Stud
Stud,CB Mark V Rocker
Eng Rocker Arm Stud
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