Part# ST2045 - Yella Terra Street Terra shaft type roller rocker set to suit Ford 221, 289, 302 & 351 Windsor 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. 3/8 stepped 5/16 press in Stud mount with a rocker arm ratio of 1.6 : 1 [studs not included]

These Ford windsor Roller Rocker Arms suit the Factory iron heads with a 3/8 stud that steps to 5/16 [pressed in stud], on engines originally fitted with a carburettor.

NOTE: Photo is of a similar set however this part number does not have the adjusters in the push rod end of the rockers arm.