CNC-machined from 6061-T6511 aluminum billets and polished to a show finish
Clearanced for valve lifts up to .590″
Accept stock-style or S&S roller rocker arms
Top end oiling supplied through stock oil fittings or through pushrods when used with S&S tappet guides and pushrods
Two-piece design allows removal and installation in some frames
Top and bottom are sealed with O-ring-type seal for leak-free operation
Include front and rear rocker boxes and rocker shafts
Made in the U.S.A.