Want to modify or upgrade your 99-00 Honda Civic Si (EM1) with aftermarket valves? At ClubCivic.com we have a great selection of aftermarket performance parts for your 6th generation Honda Civic Si. We have 27 Valves available in our catalog and most have free shipping.
Skunk2 Racing Alpha Valves
 Starting at $249.00 310-05-1320Skunk2 Alpha Series Honda/Acura Stock Size B Series VTEC Valve (High Compression) 1999-2000 Honda Civic Si |
Skunk2 Racing Ultra Valves
 310-05-9310
Skunk2 Ultra Series Honda/Acura Stock Size B Series VTEC Valve Set (Standard Compression) 1999-2000 Honda Civic Si |