Milwaukee Twins Rocker Box Oil Line Set For Harley Shovelhead Milwaukee Twins Rocker Box Oil Line Set is steel tubing is perfectly chrome-plated and bent to match original equipment. Kit includes 2 pre-bent steel oil lines and fittings for easy installation. Features: Kit includes two oil lines and a set of fittings and seals Steel tubing bent to match the original part Replaces OEM 62783-66A / 62785-66A