USD
  • USD
  • JPY

PRO R


BC4901-2

BC4901-2 - Polaris Pro R Rod Bearings (Blue Stock Replacement) set/8

BC Exclusive Pro R / SlingShot Rod Bearings by ACL - Midnight Blue New ACL rod bearings for ...

BC Exclusive Pro R / SlingShot Rod Bearings by ACL - Midnight Blue New ACL rod bearings for the Polaris Pro R engine are available exclusively through BC. These are equivalent to Polaris Midnight Blue in terms of sizing and fit the Pro R and SlingShot models. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and c...

$ 150.00 $ 172.50


BC4901HX-2

BC4901HX-2 - Polaris Pro R Rod Bearings (White Stock Replacement) set/8

BC Exclusive Pro R/SlingShot Rod Bearings by ACL - White (+.001" clearance) New ACL rod bear...

BC Exclusive Pro R/SlingShot Rod Bearings by ACL - White (+.001" clearance) New ACL rod bearings for the Polaris Pro R engine are available exclusively through BC. These are equivalent to Polaris White in terms of sizing (extra .001" oil clearance) and fit the Pro R and SlingShot models. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characterist...

$ 150.00 $ 172.50


BC5916

BC5916 - Polaris Pro R (22-up) Stock Stroke Crankshaft 73.5mm

73.5mm Pro R Stock Stroke - CNC machined from 4340 billet round bar. All cranks are stress reliev...

73.5mm Pro R Stock Stroke - CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.  Stroke 73.5mm Rod Journal 45mm Main Journal 52mm Weight 34 Lbs

$ 2,800.00 $ 3,220.00


BC5917

BC5917 - Polaris Pro R (22-up) 78mm Stroke Crankshaft

78mm Pro R Stroker Crank - Standard weight design for boosted applications. CNC machined from 434...

78mm Pro R Stroker Crank - Standard weight design for boosted applications. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.  Stroke 78mm Rod Journal 45mm Main Journal 52mm Weight 34 Lbs

$ 2,800.00 $ 3,220.00


BC5917LW

BC5917LW - Polaris Pro R (22-up) 78mm LightWeight Stroke Crankshaft

78mm Pro R Stroker Crank - LightWeight design with four  counterweights removed for normally aspi...

78mm Pro R Stroker Crank - LightWeight design with four  counterweights removed for normally aspirated applications. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.  Stroke 78mm Rod Journal 45mm Main Journal 52mm Weight 29 L...

$ 2,700.00 $ 3,105.00


BC5918

BC5918 - Polaris Pro R (22-up) 41.40mm Destroker Crankshaft

Destroked 41.40mm Pro R Stroker Crankshaft. Looking to get your 4cyl down to 1200cc or lower disp...

Destroked 41.40mm Pro R Stroker Crankshaft. Looking to get your 4cyl down to 1200cc or lower displacement, this BC destroked design will get you there. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights. Stroke 41.40mm Rod Journal 45mm Main Journal 52mm Weight 34 Lbs

$ 2,800.00 $ 3,220.00


BC9991

BC9991 - Polaris Cam Timing & Cylinder Holding Tool

This new 2 for 1 tool from BC functions as a camshaft timing plate for both the Polaris RZR XP Se...

This new 2 for 1 tool from BC functions as a camshaft timing plate for both the Polaris RZR XP Series (XPT, XP1000, XP900) and the Pro R cylinder heads as well as a cylinder hold down tool for the Polaris RZR XP's during engine assembly. The steel inserts are designed to hold the camshafts snuggly in place at TDC, unlike the aluminum sheet versions out there that flex or bend causing the camshafts to seize in the head. The rigidity also makes it much easier to set valve lash and install the c...

$ 120.00 $ 138.00