Check the listing for details. FEULING 1986-1994 FXR Super Glide Harley Davidson ADJUSTABLE PUSH RODS RACE SERI. Color: NA, Condition: New. Listed at 219.95 USD. Up for sale is FEULING 1986-1994 FXR Super Glide Harley Davidson ADJUSTABLE PUSH RODS RACE SERIES. The vendor part number is 4080. Please read the title to know what is for sale Maintain maximum valve lift!Increased stiffness and column rigidity maximizing valve-train stability, increasing engine RPM horsepower and torque output.Tapered 7/16 4130 chrome moly adjustable pushrods, use a minimal adjustment parameter eliminating flex and loss of valve train-stability problems associated with most adjustable pushrods.Individual length intake & exhaust pushrods keep the adjustment extension to a minimumDesigned 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 gear.CNC machined with 32 thread per inch adjustment, Double jam nut lock system, RACE SERIES� wall thickness .120- recommended when extreme spring pressures are usedDesigned for use with hydraulic or solid lifters and street or race enginesThese pushrods require removal of rocker covers and rocker arm supports