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.