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Looking for aftermarket parts to modify or upgrade your Honda Civic with valves? At Tunersports.com we carry a huge selection of the top name brand performance valf parts and accessories.
Upgrade your Honda Civic with premium aftermarket performance parts designed to improve power, handling, and style. Shop exhaust systems, suspension upgrades, brake kits, air intakes, and more — all backed by fast, free shipping from Tunersports.
 IN STOCK - DROPSHIPS BXPT-20200BLOX Racing High Compression Intake Valve Set For B-series DOHC VTEC 1999-2000 Honda Civic Si $149.60 |
OUT OF STOCK BXPT-20201BLOX Racing High Compression Exhaust Valve Set for B-series DOHC VTEC 1999-2000 Honda Civic Si $149.60 |
 IN STOCK - DROPSHIPS BXPT-20202BLOX Racing High Compression Intake Valve Set For K-series DOHC i-VTEC 2002-2005 Honda Civic Si $149.60 |
 IN STOCK - DROPSHIPS BXPT-20203BLOX Racing High Compression Exhaust Valve Set for K-series DOHC i-VTEC 2002-2005 Honda Civic Si $149.60 |
 OUT OF STOCK BXPT-20250BLOX Racing High Compression Intake Valve Set For D-series SOHC VTEC (D16Z-Y) 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX 1996-2000 Honda Civic CX / DX / HX / LX 1999-1999 Honda Civic Value Package $149.60 |
 OUT OF STOCK BXPT-20251BLOX Racing High Compression Exhaust Valve Set for D-series SOHC VTEC (D16Z-Y) 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX 1996-2000 Honda Civic CX / DX / HX / LX 1999-1999 Honda Civic Value Package $149.60 |
 $197.00 |
 SHIPS FROM MANUFACTURER BC3015Brian Crower Honda/Acura B18C/B16A/B17A 29mm Exhaust Valves 1999-2000 Honda Civic Si $197.00 |
 IN STOCK BC3021Brian Crower Honda/Acura B18A/B18B/B20B 28mm Exhaust Valves 1988-1989 Honda Civic Wagovan 1988-1991 Honda Civic Base / RT 4WD 1988-2000 Honda Civic DX / LX 1989-1995 Honda Civic Si 1990-2000 Honda Civic EX 1992-1995 Honda Civic VX 1992-2000 Honda Civic CX 1996-2000 Honda Civic HX 1998-2000 Honda Civic GX 1999-1999 Honda Civic Value Package 1999-2000 Honda Civic Si $197.00 |
 IN STOCK BC3071Brian Crower Honda D16Y8/D16Z6 26mm Exhaust Valves 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX $197.00 |
 SHIPS FROM MANUFACTURER BC3075Brian Crower Honda D16Y8/D16Z6 27mm Exhaust Valves 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX $197.00 |
 $197.00 |
SHIPS FROM MANUFACTURER BC3014Brian Crower Honda/Acura B18C/B16A/B17A 34mm Intake Valves 1999-2000 Honda Civic Si $197.00 |
IN STOCK BC3020Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake Valves 1988-1989 Honda Civic Wagovan 1988-1991 Honda Civic Base / RT 4WD 1988-2000 Honda Civic DX / LX 1989-1995 Honda Civic Si 1990-2000 Honda Civic EX 1992-1995 Honda Civic VX 1992-2000 Honda Civic CX 1996-2000 Honda Civic HX 1998-2000 Honda Civic GX 1999-1999 Honda Civic Value Package 1999-2000 Honda Civic Si $197.00 |
 IN STOCK BC3070Brian Crower Honda D16Y8/D16Z6 30mm Intake Valves 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX $197.00 |
SHIPS FROM MANUFACTURER BC3074Brian Crower Honda D16Y8/D16Z6 31mm Intake Valves 1992-1995 Honda Civic Si 1992-2000 Honda Civic EX $197.00 |
 IN STOCK - DROPSHIPS 2033-01GSC P-D Honda B Series VTEC B16A/B17A/B18C Chrome Polished Exhaust Valve - 29mm Head (+1mm) - Single 1999-2000 Honda Civic Si $40.28 |
 IN STOCK - DROPSHIPS 2043-01GSC P-D Honda K Series VTEC K20/K24 Chrome Polished Exhaust Valve - 31mm Head (+1mm) - Single 2002-2015 Honda Civic Si 2008-2008 Honda Civic MUGEN Si $40.28 |
IN STOCK - DROPSHIPS 2031-01GSC P-D Honda B-Series VTEC B16A/B17A/B18C Chrome Polished Exhaust Valve - 28mm Head (STD) - Single 1999-2000 Honda Civic Si $56.09 |
IN STOCK - DROPSHIPS 2041-01GSC P-D Honda K Series VTEC K20/K24 Chrome Polished Exhaust Valve - 30mm Head (STD) - Single 2002-2015 Honda Civic Si 2008-2008 Honda Civic MUGEN Si $49.10 |
IN STOCK - DROPSHIPS 2034-01GSC P-D Honda B-Series VTEC B16A/B17A/B18C Chrome Polished Intake Valve - 34mm Head (+1mm) - Single 1999-2000 Honda Civic Si $40.43 |
OUT OF STOCK 2044-01GSC P-D Honda K Series VTEC K20/K24 Chrome Polished Intake Valve - 36mm Head (+1mm) - Single 2002-2015 Honda Civic Si 2008-2008 Honda Civic MUGEN Si $40.43 |
IN STOCK - DROPSHIPS 2032-01GSC P-D Honda B Series VTEC B16A/B17A/B18C Chrome Polished Intake Valve - 33mm Head (STD) - Single 1999-2000 Honda Civic Si $45.65 |
IN STOCK - DROPSHIPS 2042-01GSC P-D Honda K Series VTEC K20/K24 Chrome Polished Intake Valve - 35mm Head (STD) - Single 2002-2015 Honda Civic Si 2008-2008 Honda Civic MUGEN Si $48.70 |
 IN STOCK - DROPSHIPS 11383-8Manley 88-91 Honda Civic CRX SI 1.6L SOHC 16 Valve (DA16A6) 25mm Pro Flo Exhaust Valves (Set of 8) 1990-1991 Honda Civic EX $211.41 |
Whether you drive a classic 90s Civic, a turbocharged late-model build, or a daily-driven commuter, we carry performance parts designed specifically for your generation. Our extensive inventory ensures proper fitment and compatibility across a wide range of Honda Civic trims and model years.
Improve airflow and unleash a more aggressive sound with high-performance cat-back exhaust systems, headers, and mufflers. Upgrading your exhaust can increase horsepower while enhancing throttle response.
Enhance cornering and overall ride control with performance suspension components including coilovers, lowering springs, sway bars, and strut braces. Dial in your Civic’s stance and handling for street or track use.
Boost engine efficiency and performance with cold air intakes, short ram systems, and other airflow upgrades. These modifications help your Civic breathe better and respond faster.
Increase stopping power with upgraded brake pads, slotted rotors, and complete big brake kits. Ideal for spirited driving and high-performance applications.
Customize your Civic’s appearance and comfort with lighting upgrades, aerodynamic components, shift knobs, floor mats, and other premium accessories.
Popular upgrades include cold air intakes, cat-back exhaust systems, coilovers, and upgraded brake components. These modifications improve horsepower, handling, and overall driving performance.
Aftermarket parts may affect certain warranty claims depending on installation and manufacturer guidelines. Always review your vehicle’s warranty terms before modifying.
Use the model year filter or browse by generation to ensure compatibility with your specific Honda Civic trim and configuration.