Newly developed, precision machined rocker arms for Big Twin Shovelhead models from 1966 thru 1984. These thoroughly tested roller rockers are made in the USA from 4340 chrome-moly steel and heat treated castings (OEM 17360-66A and 17375-66A).
Newly developed, precision machined rocker arms for Big Twin Shovelhead models from 1966 thru 1984. These thoroughly tested roller rockers are made in the USA from 4340 chrome-moly steel and heat treated castings (OEM 17360-66A and 17375-66A).