Maintain maximum valve lift in your Harley Davidson® XL engineIncreased stiffness and column rigidity maximizing valve-train stability, increasing engine RPM horsepower and torque output3/8'' 4130 chrome moly fixed-length one-piece pushrods with hardened ball endsLength is 0.040'' under stock, intake 10.706'', exhaust +10.760''Designed to exceed the needs of performance engines using larger lift camshafts and high spring pressures, while maintaining proper and critical oil flow to top end valve gearWall thickness is 0.065''Designed for use with hydraulic or solid lifters and street or race enginesThese pushrods require removal of rocker covers and rocker arm supportsMade in the U.S.A.