RWA 1433 #3 Mechanical slider cam .535″ lift, .274 duration @.050″., 103/113 lobe center. This camshaft requires .100″ longer valves RWA 1495 and RWA 1497 or .100″ lash caps RWA 1413-23. The use of our RWA 1472 springs and RWA1476B retainers¬†¬† is required. The cylinder head has to be converted to the short solid lifters, use our RWA 1489 mechanical lash adjuster set. Power is in the 4000-7500 rpm range. This is a great longer track cam.