This listing is for a brand new set of stock style rocker arms and push rods that are made in the USA by Elgin Industries. Set comes with 16 pushrods, 16 rockers, 16 balls and nuts. This set fit the following small block Chevrolet V8 engines in passenger cars aand trucks s well as many GM, Buick, Cadillac, GMC, Oldsmobile and Pontiac applications that used the Chevy engines. 265 CID (4.3L) 1996-1996 Passenger Cars VIN: W 305 CID (5.0L) 1996-2002 Trucks 350 CID (5.7L) 1996-2002 Trucks VIN: R Vortec 350 CID (5.7L) 1996-1997 Passenger Cars VIN: P LT1. 5/16″ diameter Pushrods and 3/8″ rocker stud sizes. Ball ends with .060″ wall thickness.