Brian Crower Honda/Acura K20A/K20Z F20C/F22C-High Mileage Dual Spring and Steel Alloy Retainer & Spr
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 processing procedures for consistent pressures.
Specifications
- WARNING: If running a late model cylinder head (after 2004), you may need to purchase BC2940 keepers to accommodate the BC2010 or BC2011 retainers. Honda changed the keeper groove angles, therefore your stock keepers/locks may not fit the BC retainers properly causing potential damage.
- Type: BC1040 Dual
- Free Length: 2.025"
- Seat: 1.590" @ 80 lbs
- Open: 1.110" @ 250 lbs
- Coil Bind: 1.030"
- Retainer: BC2011
- Spring Seat: BC2904
- Net Cam Lift: 0.550" / 13.97mm
Features & Benefits
- Precision engineered for high performance applications.
- Supports increased RPM and power levels.
- Manufactured from premium materials for durability.
- Direct-fit upgrade for compatible engines.
Fitment
- 2002-2005 honda civic si~2000-2009 honda s2000 base~2008-2009 honda s2000 cr
About Brian Crower
Brian Crower is a leading manufacturer of high performance engine internals, including camshafts, crankshafts, connecting rods, and valvetrain components. Each part is engineered for reliable horsepower gains and durability in demanding street, track, and forced induction applications.
Brian Crower
Brian Crower produces high-performance camshafts, connecting rods, valve springs, and valvetrain components for turbocharged and naturally aspirated engine builds. Their Stage 2 and Stage 3 cam profiles and titanium retainers are widely used in Honda, Subaru, and Nissan performance builds. Popular Brian Crower ProductsBrowse the full Brian Crower catalog to find the right upgrade for your application. Every product ships fast with fitment verified against manufacturer specifications. What engines does Brian Crower specialize in?Brian Crower makes camshafts, valve springs, and connecting rods for Honda K-series and B-series, Subaru EJ and FA engines, Mitsubishi 4G63, Nissan SR20 and VQ engines, and other popular performance platforms. What is the difference between Brian Crower Stage 2 and Stage 3 cams?Brian Crower Stage 2 cams offer increased lift and duration over stock for improved mid-range and top-end power while maintaining street driveability. Stage 3 cams are designed for ful...
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This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...
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Welcome to our Valve Springs, Retainers collection, where precision meets performance. Our selection is meticulously curated to provide high-quality components essential for your engine's optimal functioning. Why Choose Our Valve Springs and Retainers? Superior Quality: Each product in this collection is crafted from durable materials to withstand the rigors of high-performance applications. Enhanced Performance: Our valve springs and retainers are designed to improve engine efficiency and reliability. Precision Engineering: Engineered for exact fitment and performance, ensuring your engine runs smoothly and reliably. Wide Selection: We offer a variety of options to suit different engine models and performance needs. Key Features of Our Valve Springs and Retainers Explore the standout features of our valve springs and retainers: High Tension Ratings: Ideal for high-revving engines to maintain valve control. Lightweight Design: Contributes to reduced overall engine weight ...
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Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...
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