Description
ROLLER TIPS REDUCE FRICTION leading to an additional 10 to 15 horsepower.FITS 1955-1986 small block Chevrolet engines such as 283, 305, 307, 327, 350, 383 (stroker), 400, and others based on the popular platform.SPECIFICATIONS: 1.6 ratio, for 3/8 “ rocker arm stud, long slot for up to 0.550” valve lift.INCLUDES (16) rocker arms, (16) self-locking nuts, and (16) pivot balls.SUPER AFFORDABLE WAY to reduce internal valve train friction and valve stem wear