Want to modify or upgrade your 99-00 Honda Civic Si (EM1) with aftermarket valve locks? At ClubCivic.com we have a great selection of aftermarket performance parts for your 6th generation Honda Civic Si. We have 2 Valve Locks available in our catalog and most have free shipping.
Brian Crower Valve Keepers/Locks
BC2940
Brian Crower Honda/Acura 5.5mm Stem Keepers/Locks (fits BC2010 & BC2011 retainers) 1999-2000 Honda Civic Si |