Competition Cams 782016 Hi-Energy Puhrods For Chrysler 273-360 1964-1986 5/16 inch diameter, 7.500 inch length High Energy Pushrod for Small Block Chrysler with Non-Adjustable Rocker Arms Best choice when building street rods, RVs or daily drivers Meet or exceed all OE pushrod specifications Mate perfectly with High Energy and Magnum Rockers