These Sportsman 396-454 Chevy roller rocker arms are made from 4340 heat treated steel and feature a longer slot to eliminate stud bind issues. Rockers have a 1.72 ratio and are supplied with pivot balls and polylocks for 7/16" studs.
Fits 1966-2000 396-454 Chevy V8s. Set of 16.
NOTE: Use of this rocker arm requires the use of screw-in studs and guide plates. Some machine work required for the install of the screw-in studs.