Harland Sharp 3/8" Rocker Arm Adjusting Nut - 3/8" Stud RG200012XL GM F-Body 1967-69 / X-Body

GM F-Body 1967-69 / X-Body 1968-74

1974-1976 Jeep J20

& 168 style wedge base bulbs only

Not intended for use on any other Earl's hose

Harland Sharp 3/8" Rocker Arm Adjusting Nut - 3/8" Stud RG200012XL GM F-Body 1967-69 / X-BodyProduct Description: Rocker Arm Nut Polylock 3 8 24 in Thread 0. 550 in Shank Diameter 1. 000 in Long Chromoly Black Oxide Aluminum Rockers Set of 4 Since the 1950s, Harland Sharp is the leader in roller rocker arm technology. Sharp manufactures roller rockers and rocker components for a variety of applications. Their rockers are made from lightweight aluminum and anodized for increased durability.