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BC0900X-2 - Polaris Pro-R Beehive Spring/Titanium Retainer/Seal Kit w/o Seat

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium titanium alloy, also includes BC3991-2 valve stem seals.
Type BC1900-2 Single
Free Length 1.610"
Seat 1.265" @ 83 lbs
Open 0.850" @ 197 lbs
Coil Bind 0.760"
Retainer BC2901-2
Valve Seal BC3991-2
Net Cam Lift 0.430" w/BC3991 Seal


$ 688.00