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Brian Crower Fully Balanced Polaris XP Turbo (16-up) Stroker Crankshaft 72.5mm w/270° Crank Pin BC5911
Brian Crower Fully Balanced Polaris XP Turbo (16-up) Stroker Crankshaft 72.5mm w/270° Crank Pin BC5911
sku: 1UHGF | mpn: BC5911
Regular price
$2,125.00
Regular price
$2,550.00
Sale price
$2,125.00
Shipping calculated at checkout.
50 in stock
Emissions
This is not an emissions item.
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72.5mm XP Turbo (270° pin) Stroker (+4.5mm) - This crank comes fully system balanced to customer bobweight specifications. 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. These cranks are fully system balanced to the following bobweight:
• BC Rod (BC6911 or BC6912): 428/162g
• CP Piston (93mm bore): 368g
• CP Pin (9310, .220” wall: 120g
• CP Ring Pack: 29g
• ACL Bearings: 30g
• CP Locks: 2g
| Stroke | 72.5mm |
| Rod Journal | 45mm |
| Main Journal | 40.98mm |
| Weight | 19.2 Lbs |
