Polaris Pro R & SlingShot Dual Spring/Steel Retainer/Seat & Seal Kit

Brian Crower dual valve spring, steel retainer, seat and seal kit for the Polaris RZR Pro R and Slingshot, built for high rpm and anti-lag. It works with stock buckets and OEM valve guides.

Why it holds up

• BC valve springs by PAC Racing, wound from clean chrome silicone alloy
• Proprietary processing for consistent spring pressures
• Retainers machined from chromoly steel for set it and forget it wear
• BC1902-2 spring: 1.610 in free length, 90 lbs at 1.265 in seat, 233 lbs at 0.850 in open, 0.770 in coil bind
• BC2902-2 retainer, BC2914-2 spring seat, 0.450 in (11.43mm) net cam lift

Fits

• Polaris RZR Pro R
• Polaris Slingshot

In the box

• BC1902-2 dual valve springs
• BC2902-2 steel retainers
• Custom BCxTPR seat and seal combination

Good to know

• Designed to work with OEM valve guides.
• Handles up to 0.450 in valve lift.
• Spring sizing is based on the installed height of your valves.