<b>BC0982</b> - Polaris Pro R (21-up) Stage 2+ Duner Camshafts (pair)

Official BC Brian Crower / runBC Online Store Verified independent store

→

More aggressive than the Stage 2 but still works with factory valve springs. Pulls hard up through 9500 rpm but still delivers power on demand on the low end. ECU flash or tune rec ommended. Adv Dur (.020") 260°/262° Dur @ .050 240°/240° Valve Lift (1:1) .430"/.430" Valve Lift (mm) 10.92/10.92 Show more