• Brian Crower Polaris Pro R (21-up) Stage 3 Normally Aspirated Race Spec (pair) BC0983
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Brian Crower Inc

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
$918.85
$918.85 $918.85
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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
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