this High Energy stud set has a 7/16" base thread and 7/16" rocker thread
pilot bearing
Controlling Two Air Springs Independently
Dramatically reduces control arms flex
GM A-Body / G-Body 1973-83
Edelbrock Performer Series Quadrajet Primary Metering Rods - Single Taper LY23371 this High Energy stud setQ Jet Primary Metering Rods for Edelbrock and GM Rochester Q Jet carbs. Not for computer controlled carbs. Note: Calibration changes may affect emissions legal status of number 1901, number 1902, #1903, number 1904, number 1905 and number 1906. Edelbrock, . 048, Meter Rod, Carb, Carburetor, Tune, Calibration, RebuildSince 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake