This listing is for a brand new set of (16) stock rocker arms made in the USA by Elgin Industries. Set comes with 16 rockers. Part Number: (8) R850 left hand rockers & (8) R851 right hand rockers for a total of 16. This item fits the following big block Mopar 8 cylinder engines used in Chrysler, Dodge, and Plymouth engines in passenger cars and trucks. 361 CID (5.9L) 1958-1977 383 CID (6.3L) 1959-1971 400 CID (6.6L) 1971-1979 413 CID (6.8L) 1959-1977 426 CID (7.0L) 1963-1965 (NOT Hemi) 440 CID (7.2L) 1966-1979

• (8) Left hand & (8) Right hand rockers

(8) Left hand & (8) Right hand rockersElgin Industries