Brian Crower Can-Am X3 & Rotax 900 Ace - Beehive Valve Spring, Steel Retainer & Seat w/ Valve Seal Kit

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 H13 Tool Steel alloy for added wear resistance. Kit also includes integrated spring seat and valve seal.

Type    BC1930 Single
Free Length    1.337"
Seat    1.130" @ 70 lbs
Open    0.730" @ 205 lbs
Coil Bind    0.660"
Retainer    BC2903
Spring Seat    BC2913
Net Cam Lift    0.430" / 10.92mm