Brian Crower Dual Spring & Titanium Retainer Kit w/Seats Honda Civic Si 2006-2011 | BC0040 S2000_2000-2009 the FX300 offers approximately 110%

the FX300 offers approximately 110% increased holding capacity

the kit allows the oil pressure sender to be mounted on the passenger-side strut tower while still utilizing the factory oil galley port for accurate pressure readings

•Life Time Warranty

and water resistance enables it to out-perform even the best conventional or synthetic greases

Brian Crower Dual Spring & Titanium Retainer Kit w/Seats Honda Civic Si 2006-2011 | BC0040 S2000_2000-2009 the FX300 offers approximately 110%The Brian Crower BC0040 Dual Valve Spring, Titanium Retainer & Seat Kit is engineered for high performance Honda and Acura engine builds that require superior valvetrain stability at elevated RPM levels. Designed specifically for K series and F series applications, this kit combines BCs proven dual valve springs, lightweight titanium retainers, and hardened spring seats to support aggressive camshafts, forced induction, and high revving naturally