Mr. Gasket Competition Screw-In Rocker Arm Studs - SB Chevy 283-400 , SB Ford 289-302 - 3/8"-24 x 2-3/8" - (Set of 16) H76903FS Here is the base plate

Here is the base plate you will need for Walker or K&N car box

Series 100-500 1977-1964

1981-1988 Dodge W250

5 oz Bottle

2019-2020 Ram 3500 Laramie Longhorn GAS Crew Cab Pickup

Mr. Gasket Competition Screw-In Rocker Arm Studs - SB Chevy 283-400 , SB Ford 289-302 - 3/8"-24 x 2-3/8" - (Set of 16) H76903FS Here is the base plateThis stud uses heat treated Grade 8 alloy steel. The enlarged radius base provides extra strength for a more durable stable shank. Black plated finish. Fits Chevy small block and Ford small block. Vehicle Applications: 1961 1974 Chevrolet C30 Pickup 1955 1957 Chevrolet Two Ten Series 1988 1995 Chevrolet K3500 1955 1975 Chevrolet Bel Air 1975 1978 GMC K25 Suburban 1993 1993 Cadillac Fleetwood 1969 1994 Chevrolet Blazer 1977 1978 GMC K35 1976 1977 Buick