XP Turbo Stage 2+ Cams Add Spring Kit:BC Steel Retainer/Beehive the dowel pinned main girdle

the dowel pinned main girdle provides additional reinforcement to handle high horsepower and torque outputs

enabling a smooth PC connection for tuning with the EMU Pro-8

BC valves are one piece design with a friction welded Stellite tip for the best possible performance

High strength overlay plate with reduced thickness for improved fatigue properties

Modified Turbo R spec for stock turbo or modified turbo up to 22psi

XP Turbo Stage 2+ Cams Add Spring Kit:BC Steel Retainer/Beehive the dowel pinned main girdleBC0911 Polaris XP Turbo (16 up) Stage 2+ Duner Trail Spec Camshafts DUNER HARDCORE TRAIL CAM PROFILE Designed for stock turbo or modified turbo up to 28psi, works with stock valve springs up to factory rev limit, recommend BC spring kit if exceeding 8600 rpm. Requires tuning for optimum gains using PowerVision or HPTuners flash tuning device. Adv Dur (. 020") 252 252 Dur @ . 050 230 230 Valve Lift (1: 1) . 420" . 420" Valve Lift (mm) 10. 67 10. 67