2004 Honda Civic Si Valves & Valvetrain Parts
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Original (OEM)Engine PartsEach vehicle has its distinctive body lines and shapes, but the most exciting part is located under the hood. The engine is what makes that essential power that drives the wheels. Since it's the heart and soul of any vehicle, it just... - Enginetech®Engine ValveHonda Civic Si / Civic SiR 2.0L 2004, Engine Valve by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$4.99 - $5.53
- Genuine®Exhaust ValveHonda Civic Si 2004, Exhaust Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$63.74
- Brian Crower®Stainless Steel ValvesHonda Civic Si / Civic SiR 2.0L Manufactured in Japan 2004, Stainless Steel Valves by Brian Crower®. BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is fully machined and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$167.78
- Skunk2®Alpha Series Intake/Exhaust Standard Compression Valve SetHonda Civic Si 2.0L 2004, Alpha Series Intake/Exhaust Standard Compression Valve Set by Skunk2®. With fully machined valve heads and hard chrome plating, these Alpha Series valves ensure optimized airflow. They are built from HNV3...Ensure optimum sealing, airflow, and stabilityMade from heat treated EV8 austenitic steel (EX) one-piece forgings and HNV3 martensitic steel (IN)$282.80
- Skunk2®Ultra Series™ Intake/Exhaust ValvesHonda Civic Si 2.0L 2004, Ultra Series™ Intake/Exhaust Valves by Skunk2®. Designed utilizing the latest technology, this product by Skunk2 features premium quality and will perform better than advertised. Perfect for your vehicle and...One-Piece ForgedStainless-Steel Alloy Construction$509.68
- DNJ Engine Components®Exhaust ValveHonda Civic Si 2.0L 2004, Exhaust Valve by DNJ Engine Components®. Save your time and hassle when replacing your worn out or cracked valve with this superior part expertly crafted by DNJ. Designed to meet or exceed the highest OE...Designed to replace your worn out or cracked valveLooks, fits and performs just like your OE part$9.67
- DNJ Engine Components®Intake ValveHonda Civic Si 2.0L 2004, Intake Valve by DNJ Engine Components®. Save your time and hassle when replacing your worn out or cracked valve with this superior part expertly crafted by DNJ. Designed to meet or exceed the highest OE...Designed to replace your worn out or cracked valveLooks, fits and performs just like your OE part$8.72
- Nakamura®Intake ValveHonda Civic Si 2004, Intake Valve by Nakamura®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.17
- Brian Crower®Valve Spring and Retainer KitHonda Civic Si / Civic SiR 2.0L 2004, Valve Spring and Retainer Kit by Brian Crower®. Designed for high RPM, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...Designed to maximize horsepower and torque of your vehicleMade with meticulous attention to detail and unmatched craftsmanship$328.30 - $472.95
- Enginetech®OE Type Valve Stem Seal SetHonda Civic Si / Civic SiR 2.0L 2004, OE Type Valve Stem Seal Set by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$14.07
- Brian Crower®Single Valve SpringsHonda Civic Si / Civic SiR 2.0L 2004, Single Valve Springs by Brian Crower®. Designed for high RPM, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$173.13
- Brian Crower®Steel Valve Spring RetainersHonda Civic Si / Civic SiR 2.0L 2004, Steel Valve Spring Retainers by Brian Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$95.64
- Brian Crower®Valve GuidesHonda Civic Si / Civic SiR 2.0L 2004, Valve Guides by Brian Crower®. BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances This premium product is the best way to go for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$76.97
- Brian Crower®Valve Keepers & LocksHonda Civic Si / Civic SiR 2.0L 2004, Valve Keepers & Locks by Brian Crower®. Billet performance valve stem keepers or locks are designed to fit Brian Crower and OEM retainers. Designed utilizing the latest technology, this product by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$105.13
- Blox Racing®Dual Valve Spring KitHonda Civic Si / Civic SiR 2.0L 2004, Dual Valve Spring Kit by Blox Racing®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...BLOX Racing valve springs are wound using super clean, chrome silicone alloyHigh quality at an affordable price$200.00
- Skunk2®Alpha Series Titanium Retainer KitHonda Civic Si 2.0L 2004, Alpha Series Titanium Retainer Kit by Skunk2®. Skunk2’s industry-leading Alpha Titanium Retainers are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain...Made with precision and quality in mindDesigned to meet your specific needs$192.46
- Skunk2®Alpha Series Valve Spring & Titanium Retainer KitHonda Civic Si Hatchback 2004, Alpha Series Valve Spring & Titanium Retainer Kit by Skunk2®. These kit includes Alpha Series valve springs made from supper-clean, chrome-silicone wire and designed to prevent valve float and maintain...Designed for proper valves operationKit includes super-clean springs and titanium retainers$384.94
- Skunk2®Alpha Series Valve Spring SetHonda Civic Si Hatchback 2004, Alpha Series Valve Spring Set by Skunk2®. These kit includes Alpha Series valve springs made from supper-clean, chrome-silicone wire and designed to prevent valve float and maintain valvetrain stability...Designed for proper valves operationSprings prevent valve float maintain valvetrain$226.88
- Skunk2®Pro Series™ Valve Spring Retainer KitHonda Civic Si Hatchback 2004, Pro Series™ Valve Spring Retainer Kit by Skunk2®. Did you know that each of Skunk2’s new Titanium Retainers is serialized for your protection? Each serial number provides Skunk2 with valuable...SerializedAerospace-Grade Materials$215.05
- Skunk2®Pro Series™ XP Valve SpringsHonda Civic Si Hatchback 2004, Pro Series™ XP Valve Springs by Skunk2®. Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kit. Each kit includes Skunk2’s high-quality race-proven dual valve springs...Skunk2 designs, develops, and tests its entire valvetrain lineup in-house to ensure superior quality and maximum performance gainsDuring development, each valvetrain component is tested both on the dyno and the road, including 11,000 rpm drag racing engines and 17,000 rpm superbikes$395.70
- Elring®Valve Stem Seal KitHonda Civic Si / Civic SiR 2.0L 2004, Valve Stem Seal Kit by Elring®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.88
- DNJ Engine Components®Valve Stem Oil Seal SetHonda Civic Si 2.0L 2004, Valve Stem Oil Seal Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to...Designed to restore your vehicle's original performanceProvides superior sealing performance$16.43
- Manley®Sport Compact™ Wear Cap SetHonda Civic Si 2.0L 2004, Sport Compact™ Wear Cap Set by Manley®. The highest quality valvetrain components in the industry starting with world famous valve spring line for drag, oval and street/strip applications and continuing with...Thru-hardened 4140 alloy steelSpecial heat treatment to HRc 50-54$27.83
- NOK®Exhaust Valve Stem SealHonda Civic Si 2.0L 2004, Exhaust Valve Stem Seal by NOK®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.80
- Arai Seisakusho®Exhaust Valve Stem SealHonda Civic Si 2.0L 2004, Exhaust Valve Stem Seal by Arai Seisakusho®. Valve stem seal (VSS) is installed in the valve guide in the engine head. And it is preventing that engine oil supplied in a head flows into a combustion chamber by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.91
- Blox Racing®High Compression™ Valve SetHonda Civic Si / Civic SiR 2.0L 2004, High Compression™ Valve Set by Blox Racing®. BLOX Racing high compression standard size valves are forged from EV8 stainless steel. Each valve then undergoes a heat treatment process to increase...High quality at an affordable priceExpertly made from premium materials$140.00
- GSC Power-Division®Engine ValveHonda Civic Si / Civic SiR 2.0L 2004, Engine Valve by GSC Power-Division®. Designed utilizing the latest technology, this product by GSC Power-Division features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.04 - $120.31
- Blox Racing®Valve Spring Retainer KitHonda Civic Si / Civic SiR 2.0L 2004, Valve Spring Retainer Kit by Blox Racing®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...High quality at an affordable priceExpertly made from premium materials$196.00
- Skunk2®Valve Spring Base KitHonda Civic Si Hatchback 2004, Valve Spring Base Kit by Skunk2®. Skunk2’s high-quality Spring Bases are designed to allow cylinder head to accept Skunk2’s higher-performance. Each Spring Base is manufactured using the latest 3D CAD...Retainers are designed using 3D CAD (Computer Aided Design) and FEA (Finite Element Analysis)Designed for proper valves operation$43.00
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