This listing is for a brand new set of long slot style rocker arms that are made in the USA by Elgin Industries. Set comes with 16 rockers, grooved style balls and nuts.

• Part Number: RK508
• Ratio: Stock 1.5
• Stud Size: Stock 3/8"
• Style: Stamped Steel Long Slot

The rockers are the long slot design needed for increased lift cams. They fit the following small block Chevrolet V8 engines in passenger cars and trucks as well as many GM, Buick, Cadillac, GMC, Oldsmobile and Pontiac applications that used the Chevy engines.

Application Note: This rocker is the non self-aligning style used on 1955-1986 small block Chevy engines and some 1987-1988 305 and 350 engines. In 1987 and 1988 Chevy started using a self-aligning style of rocker on some engines: Part # RK1736.

Chevy Engines

• 262 CID (4.3L) 1975-1976 All
• 265 CID (4.3L) 1955-1957 All
• 267 CID (4.4L) 1979-1982 All
• 283 CID (4.6L) 1957-1967 All
• 302 CID (5.0L) 1967-1969 All
• 305 CID (5.0L) 1976-1986 All
• 305 CID (5.0L) 1987-1988 All With Non Self-Aligning Rockers
• 307 CID (5.0L) 1968-1973 All
• 327 CID (5.4L) 1962-1969 All
• 350 CID (5.7L) 1967-1986 All
• 350 CID (5.7L) 1987-1988 All With Non Self-Aligning Rockers
• 400 CID (6.6L) 1970-1980 All