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Brian Crower Polaris Pro R (21-up) Stage 3 Normally Aspirated Race Spec (pair) BC0983
Brian Crower Polaris Pro R (21-up) Stage 3 Normally Aspirated Race Spec (pair) BC0983
sku: 9ITYT | mpn: BC0983
Regular price
$799.00
Regular price
$918.85
Sale price
$799.00
Shipping calculated at checkout.
Out of stock
Emissions
This is not an emissions item.
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Designed for modified engines. Requires BC valve spring kit, seals and guides for clearance due to high lift. Must run with aftermarket pistons with proper valve reliefs built-in. Cannot be ran with stock/OE pistons due to possible piston to valve contact.
| Adv Dur (.020") | 265°/265° |
| Dur @ .050 | 240°/240° |
| Valve Lift (1:1) | .450"/.450" |
| Valve Lift (mm) | 11.43/11.43 |
