Part# ST2003 - Yella Terra Street Terra stud mount roller rocker set to suit Ford 302, 351 Cleveland V8 engines. Economically priced, entry level rollers that have a strong vacuum die formed light weight arm designed for high performance street and budget race applications that do not have excessively high valve spring pressures. For use with hydraulic camshafts. Mounts on  7/16 screw in studs [not included], rocker arm ratio of 1.72 : 1

Your heads may require machining for screw in studs and guide plates. Screw in studs and guide plates sold separately; note hardened push rods have to be installed when using guide plates.

NOTE: Standard heads that require machining for screw in studs ~ remove .320” from Rocker pads, drill and tap 7/16” UNC, then fit studs and guide plates, sold separately