2011 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... - Skunk2®Alpha Series Intake/Exhaust Standard Compression Valve SetHonda Civic Si 2011, 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 2011, 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
- Enginetech®OE Type Valve Stem Seal SetHonda Civic Si 2011, 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 reliability....Made with precision and quality in mindDesigned to meet your specific needs$14.07
- Brian Crower®Steel Valve Spring RetainersHonda Civic Si 2011, 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 reliability....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$95.64
- Brian Crower®Valve Keepers & LocksHonda Civic Si 2011, 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 Brian Crower...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$105.13
- Blox Racing®Dual Valve Spring KitHonda Civic Si 2011, 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 reliability. Designed to...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 2011, 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 Sedan 2011, 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®Pro Series™ XP Valve SpringsHonda Civic Si 2011, 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 that are...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 2011, 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. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.88
- Manley®Sport Compact™ Wear Cap SetHonda Civic Si 2011, 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 steel...Thru-hardened 4140 alloy steelSpecial heat treatment to HRc 50-54$27.83
- Blox Racing®High Compression™ Valve SetHonda Civic Si 2011, 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 strength then...High quality at an affordable priceExpertly made from premium materials$140.00
- GSC Power-Division®Engine ValveHonda Civic Si 2011, 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 vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.04 - $15.17
- Blox Racing®Valve Spring Retainer KitHonda Civic Si 2011, 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 reliability....High quality at an affordable priceExpertly made from premium materials$196.00
- Skunk2®Valve Spring Base KitHonda Civic Si 2011, 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 (Computer...Retainers are designed using 3D CAD (Computer Aided Design) and FEA (Finite Element Analysis)Designed for proper valves operation$43.00
- GSC Power-Division®Engine Valve GuideHonda Civic Si 2011, Engine Valve Guide by GSC Power-Division®. The GSC Power-Division valve guides are made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center. What this means for you and your...C67410 Manganese Bronze constructionCNC machined$41.45
- GSC Power-Division®Valve Stem SealsHonda Civic Si 2011, Valve Stem Seals 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 vehicle and...5.5mm Intake and Exhaust sealsIncreased performance$12.94
- Manley®Sport Compact Pro Series™ Valve Lock SetHonda Civic Si 2011, Sport Compact Pro Series™ Valve Lock Set by Manley®. The undisputed leader for over 40 years in the aftermarket. Stainless Steel Valves, Titanium Valves, Hollow Stem Valves and Custom Valves for a myriad of...Manufactured from premium quality heat treated steelMachined to exacting tolerances$55.91
- Manley®Sport Compact Pro Series™ Valve Spring & Retainer Kit with Valve LocksHonda Civic Si 2011, Sport Compact Pro Series™ Valve Spring & Retainer Kit with Valve Locks by Manley®. The highest quality valvetrain components in the industry starting with Manley world famous NexTek valve spring line for drag,...Wound from super clean alloyDesigned to handle aftermarket camshafts$629.89
- Manley®Sport Compact Pro Series™ Valve Spring Retainer SetHonda Civic Si 2011, Sport Compact Pro Series™ Valve Spring Retainer 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...Heat treated aerospace grade titaniumCNC machined to exacting tolerances$270.38
- Manley®Sport Compact Pro Series™ Valve Spring SetHonda Civic Si 2011, Sport Compact Pro Series™ Valve Spring Set by Manley®. The undisputed leader for over 40 years in the aftermarket. Stainless Steel Valves, Titanium Valves, Hollow Stem Valves and Custom Valves for a myriad of...Wound from super clean alloyDesigned to handle aftermarket camshafts$355.58
- Supertech®Beehive Valve Spring KitHonda Civic Si With K20 Engine 2011, Beehive Valve Spring Kit by Supertech®. Supertech offers beehive valve springs for sport compact, domestic and racing applications. Supertech's beehive valve springs offer a lower alternative mass...Will help get the most out of your engineDesigned with utmost precision for perfection$468.49
- Supertech®Intake Valve Stem SealHonda Civic Si 2011, Intake Valve Stem Seal by Supertech®. Designed utilizing the latest technology, this product by Supertech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...$0.79
- Supertech®Engine ValveHonda Civic Si 2011, Engine Valve by Supertech®. Designed utilizing the latest technology, this product by Supertech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$142.48 - $211.28
- Supertech®Valve LocksHonda Civic Si 2011, Valve Locks by Supertech®. Designed utilizing the latest technology, this product by Supertech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Will help get the most out of your engineDesigned with utmost precision for perfection$29.44
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