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POLARIS RZR 2.0L / PRO R CAMSHAFTS
BC Brian Crower Polaris Pro-R camshafts are brand new, semi-finished cam cores that allows the capability to grind unlimited lobe specifications while still maintaining the factory base circle size. The Polaris RZR Pro-R, built by ProStar, was just released in the RZR Pro-R chassis and an industry first...a 4 cylinder 2000cc (2.0L) engine featuring dual overhead camshafts (DOHC), solid bucket type cam followers and 4 valves per cylinder. To achieve the 2000cc displacement, the 2.0L features a 93mm cylinder bore x 73.5mm stroke crankshaft with 12.25:1 compression ratio.

Stage Description Part# Adv. .020" Dur @ .050 Lift (in) Lift (mm) Kit# Cam Card Dyno Shop Status
DROP-IN CAM PROFILE
All purpose level spec, works with factory valve springs. Delivers excellent throttle response out of the turns or wash but still pulls on the straights.
BC0981 258°/258° 230°/230° .420"/.420" 10.67/10.67 BC0980S EMAIL
MILD TURBO/SUPERCHARGER PROFILE
Designed for boost levels in the 8 to 20psi range, works well with non-ported cylinder head and stock valve springs. Wider lobe separation & short duration build more cylinder pressure.
BC0981T 262°/258° 234°/230° .436"/.422" 11.07/10.72 BC0980S EMAIL
DROP-IN HIGH PERFORMANCE CAM PROFILE
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 recommended.
BC0982 260°/262° 240°/240° .430"/.430" 10.92/10.92 BC0980S In-Stock
NORMALLY ASPIRATED RACE SPEC PROFILE
Designed for modified engines, aftermarket pistons with valve reliefs. Requires BC valve spring kit, seals and guides for clearance due to high lift. Cannot run with stock pistons.
BC0983 265°/265° 240°/240° .450"/.450" 11.43/11.43 BC0980S EMAIL
BIG BOOST PROFILE
Designed for modified engines above 20psi on a ported head. Big lift, less duration, wide centers to build cylinder pressure. Must install BC valve guides & aftermarket pistons due to big lift.
BC0983T 265°/262° 240°/234° .450"/.436" 11.43/11.07 BC0980S EMAIL
DUNE/DRAG CAM PROFILE
Big lift and duration spec focuses on top end power. Requires BC spring/retainer kit. Must install BC guides & aftermarket pistons due to big lift. ECU & cylinder head work for optimal gains.
BC0984 276°/276° 252°/252° .460"/.460" 11.68/11.68 BC0980 EMAIL
Custom Ground Profile
Special order custom grind to customer's specification
BC0998 Custom Custom Custom Custom BC0900 EMAIL
Polaris RZR 2.0L PRO-R (2021-Up) OEM (2021-Up) 251°/248° 228°/224° .409"/.397" 10.38/10.08
Bucket Diameter: 31.15mm

POLARIS PRO R TUNING
The above cams require ECU tuning for optimum operation. BC is not a tuning company. Please contact the following companies that offer specific tunes and upgrades for these BC camshafts.

jimmyk@bikemanperformance.com - Torque Link
andrew@larueperformance.com - HP Tuners / PowerVision
engineering@pandemykperformance.com - HP Tuners

POLARIS PRO R / SLINGSHOT ADJUSTABLE CAM GEARS
Machined from hardened steel alloy and fully compatible with the stock Pro R timing chain, these are the perfect way to gain top end or low end torque depending on how you dial in the gear settings. Widen the lobe separation for more top end, smoother idle, less valve overlap if running boost. Go the other way for a tighter center for better bottom end torque and mid-range gains, enhanced lope at idle. Allows for 5 degrees of advance or retard for both intake and exhaust cams with easy to read indicator marks on hard anodized gold center sections. Includes 4 x ARP stainless steel clamping bolts for added peace of mind. Fits all Polaris Pro R and SlingShot engine platforms.
Part # Description # Buy Kit Status
BC8877 ADJUSTABLE CAM GEAR – Polaris Pro R / SlingShot (Intake & Exhaust Gears) In-Stock
619.749.9018 ph
619.749.9128 fx
Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved..
WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), lead and lead compounds, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov