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

Designed for modified engines, aftermarket pistons with valve reliefs. Requires BC valve spring kit, seals and guides for clearance due to high lift.

Adv Dur (.020") 265°/265°
Dur @ .050 240°/240°
Valve Lift (1:1) .450"/.450"
Valve Lift (mm) 11.43/11.43

Availability:

$ 799.00