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Vehicle Set: Click here to shop 99-00 Honda Civic Si (EM1) mods.

99-00 Honda Civic Si Valves

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.


BLOX Racing Civic Mods

BLOX Racing Valve Sets

BLOX Racing Valve Sets BXPT-20200
BXPT-20200
BLOX Racing High Compression Intake Valve Set For B-series DOHC VTEC
1999-2000 Honda Civic Si
BLOX Racing Valve Sets BXPT-20201
BXPT-20201
BLOX Racing High Compression Exhaust Valve Set for B-series DOHC VTEC
1999-2000 Honda Civic Si
Brian Crower Civic Mods

Brian Crower Exhaust Valve Sets

Brian Crower Exhaust Valve Sets BC3011
BC3011
Brian Crower Honda/Acura B18C/B16A/B17A 28mm Exhaust Valves
1999-2000 Honda Civic Si
Brian Crower Exhaust Valve Sets BC3015
BC3015
Brian Crower Honda/Acura B18C/B16A/B17A 29mm Exhaust Valves
1999-2000 Honda Civic Si
Brian Crower Exhaust Valve Sets BC3021
BC3021
Brian Crower Honda/Acura B18A/B18B/B20B 28mm Exhaust Valves
1999-2000 Honda Civic Si
Brian Crower Civic Mods

Brian Crower Intake Valve Sets

Brian Crower Intake Valve Sets BC3010
BC3010
Brian Crower Honda/Acura B18C/B16A/B17A 33mm Intake Valves
1999-2000 Honda Civic Si
Brian Crower Intake Valve Sets BC3014
BC3014
Brian Crower Honda/Acura B18C/B16A/B17A 34mm Intake Valves
1999-2000 Honda Civic Si
Brian Crower Intake Valve Sets BC3020
BC3020
Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake Valves
1999-2000 Honda Civic Si
GSC Power Division Civic Mods

GSC Power Division Exhaust Valves +1mm

GSC Power Division Exhaust Valves +1mm 2033-01
2033-01
GSC P-D Honda B Series VTEC B16A/B17A/B18C Chrome Polished Exhaust Valve - 29mm Head (+1mm) - Single
1999-2000 Honda Civic Si
GSC Power Division Civic Mods

GSC Power Division Exhaust Valves -STD

GSC Power Division Exhaust Valves -STD 2031-01
2031-01
GSC P-D Honda B-Series VTEC B16A/B17A/B18C Chrome Polished Exhaust Valve - 28mm Head (STD) - Single
1999-2000 Honda Civic Si
GSC Power Division Civic Mods

GSC Power Division Intake Valves +1mm

GSC Power Division Intake Valves +1mm 2034-01
2034-01
GSC P-D Honda B-Series VTEC B16A/B17A/B18C Chrome Polished Intake Valve - 34mm Head (+1mm) - Single
1999-2000 Honda Civic Si
GSC Power Division Civic Mods

GSC Power Division Intake Valves -STD

GSC Power Division Intake Valves -STD 2032-01
2032-01
GSC P-D Honda B Series VTEC B16A/B17A/B18C Chrome Polished Intake Valve - 33mm Head (STD) - Single
1999-2000 Honda Civic Si
Manley Performance Civic Mods

Manley Performance Race Flo Valves

Manley Performance Race Flo Valves 11372-1
11372-1
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo Intake Valve (Single Valve)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11372-8
11372-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo Intake Valve (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11373-1
11373-1
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Exhaust Valve (Single Valve)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11373-8
11373-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Exhaust Valve (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11374-8
11374-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.5mm Race Flo Intake Valves (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11690-1
11690-1
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valve (SINGLE)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11690-8
11690-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.0mm Race Flo F/F Intake Valves (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11691-1
11691-1
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo Flat Face Exh Valve (SINGLE)
1999-2000 Honda Civic Si
Manley Performance Race Flo Valves 11691-8
11691-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 28.0mm Race Flo F/F Exh Valves (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Civic Mods

Manley Performance Race Master Valves

Manley Performance Race Master Valves 11375-8
11375-8
Manley Acura/Honda (B16A1/B16A3/B17A1/B18C1-C3) 28.5mm RaceMaster Exhaust Valve (Set of 8)
1999-2000 Honda Civic Si
Manley Performance Race Master Valves 11377-1
11377-1
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 29mm RaceMaster Exhaust Valve (Single Valve)
1999-2000 Honda Civic Si
Manley Performance Race Master Valves 11377-8
11377-8
Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 29mm RaceMaster Exhaust Valve (Set of 8)
1999-2000 Honda Civic Si
Skunk2 Racing Civic Mods

Skunk2 Racing Alpha Valves

Skunk2 Racing Alpha Valves 310-05-1310
310-05-1310
Skunk2 Alpha Series Honda/Acura Stock Size B Series VTEC Valve (Standard Compression)
1999-2000 Honda Civic Si