Brian Crower Dual Spring & Titanium Retainer Kit w/Seats Honda Civic Si 2006-2011 | BC0040 vendor_AutoMeter Improved heat management compared to

Improved heat management compared to stock pads

Manufactured in state-of-the-art CNC machining centers

22mm in sizing (7/8 inch)

road racing

Brian Crower Dual Spring & Titanium Retainer Kit w/Seats Honda Civic Si 2006-2011 | BC0040 vendor_AutoMeter Improved heat management compared toThe 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