PRO R Stage 3 Turbo Cams Add Spring Kit:BC Dual Spring/Steel Retainer Must send core head

Must send core head

Service includes ARP Studs and set of oversized Bearings

MLS for O-ring cylinder jug

020") 259°/262° Dur @

we will have the right to reject any cores if they aren't up to our standards

PRO R Stage 3 Turbo Cams Add Spring Kit:BC Dual Spring/Steel Retainer Must send core headBC0983T Polaris Pro R (21 up) Stage 3 Forced Induction Spec (pair) Big lift with short duration focuses on building cylinder pressure on boosted applications. Requires BC spring retainer kit. ECU and CNC cylinder head with oversize valves will deliver big gain in performance. Due to high lobe lift, it is mandatory that you change the valve guides and use BC valve seals. Failure to do so will result in retainer to guide contact causing damage to the