S&S Time-Saver adjustable pushrod kits eliminate the need to disassemble the top end and remove the rocker arms to change pushrods or camshafts. Reduce installation time by up to 75%! Larger 9mm diameter chrome moly tubing provides superior strngth and minizes pushrod flex. Single adjuster end provides pushrod lengths from 9.5-11.5" for stock height and taller engines. Kit includes four pushrods and installation instructions. Not compatible with stock shovelhead hydraulic tappets, but will work with tappets having 3/8" diameter cup. Fits 1984-1999 big twins.