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  3. BRIAN CROWER BC3970

BRIAN CROWER BC3970 Bc Intake Exhaust Valve Stem Seals 5.5MM B16A

fits model: H22, Vtec. make: Honda.

Bc3970 Brian Crower Bc For Intake / Exhaust 5.5mm Valve Stem Seals - Fits Honda B16a H22 Vtec Qty

( Brand: Brian Crower ), ( Manufacturer Part Number: BC3970 ), ( Type: Bc Valve Stem Seals ), ( Performance Part: Yes )

Review BRIAN CROWER Bc For Intake Exhaust 5.5mm Valve Stem Seals Fits Honda Qty fits H22 VTEC

The Brian Crower BC3970 BC Intake Exhaust Valve Stem Seals are a premium aftermarket solution for Honda B16A and H22 VTEC engines. These seals are specifically designed to provide improved performance and durability compared to OEM seals.

The BC3970 BC seals feature a 5.5mm diameter, which is larger than the standard OEM seals. This larger diameter allows for a better seal against the cylinder head, reducing the possibility of combustion gases leaking past the seals and into the intake tract. This can lead to improved engine efficiency, increased power, and better fuel economy.

These seals are made from a high-quality, heat-resistant material that can withstand the extreme temperatures and pressures found in a high-performance engine. The material is also resistant to wear and tear, ensuring that the seals last longer than OEM seals and require less frequent replacement.

The BC3970 BC Intake Exhaust Valve Stem Seals are easy to install and come with detailed instructions to make the process as straightforward as possible. The seals are supplied in sets of four, one for each cylinder, and include all necessary hardware for installation.

These seals are a popular choice among Honda enthusiasts and racers who demand the best performance from their engines. By upgrading to the BC3970 BC Intake Exhaust Valve Stem Seals, you can improve the sealing integrity of your engine, increase power and torque, and enjoy a more responsive and efficient driving experience.

Whether you're building a high-performance street car or a race car, the Brian Crower BC3970 BC Intake Exhaust Valve Stem Seals are an essential upgrade that can help you get the most out of your engine. With their superior sealing ability, durability, and ease of installation, these seals are an investment that will pay for itself many times over.

The Brian Crower BC3970 BC intake exhaust 5.5mm valve stem seals are aftermarket parts designed for Honda B16A and H22 VTEC engines. These seals are known for their durability and high performance capabilities, but like any aftermarket part, they come with their own set of pros and cons.

Pros:

1. Improved Sealing: The 5.5mm valve stem seals provide a tighter seal than the OEM seals, reducing the chances of oil leaks and combustion gases entering the crankcase.

2. Enhanced Performance: The improved sealing can lead to better engine performance by reducing the amount of power-robbing engine oil that enters the combustion chamber.

3. Durability: Brian Crower is known for their high-quality aftermarket parts, and these seals are no exception. They are designed to last longer than OEM seals, especially in high-performance applications.

4. Easy Installation: The seals are relatively easy to install, and can be done in a home garage with basic tools.

Cons:

1. Cost: Aftermarket parts, especially those from reputable manufacturers like Brian Crower, can be more expensive than OEM parts.

2. Not Suitable for All Applications: These seals are designed for high-performance applications and may not be necessary for stock or lightly modified engines.

3. Potential for Damage: Installing aftermarket parts can carry the risk of damaging other components if not done correctly. Proper installation procedures should be followed to avoid any potential damage.

Conclusion:

The Brian Crower BC3970 BC intake exhaust 5.5mm valve stem seals are a great option for those looking to improve the sealing and performance of their Honda B16A or H22 VTEC engine. However, they come with a higher cost compared to OEM seals, and may not be necessary for all applications. Proper installation procedures should be followed to ensure that no damage is done to other components during installation.

Recommendation:

If you are looking to improve the sealing and performance of your Honda B16A or H22 VTEC engine, and you are comfortable with the additional cost and installation process, then the Brian Crower BC3970 BC intake exhaust 5.5mm valve stem seals are a great choice. However, if you are unsure about the benefits of aftermarket seals for your specific application, it may be worth considering the cost and potential risks before making a purchase.

Details:

BC valve stem seals are produced from high performance materials for increased part life and lower wear. These Vito seals allow a carefully defined amount of engine oil from the cylinder head into combustion chamber to lubricate rotating valve stem in guide. Manufacturer: Brian Crower, Part Number: BC3970, condition: New: BC3970 - Honda B16A/H22A 5.5mm Valve Stem Seals for Stock or Aftermarket Guides BC valve stem seals are designed stock aftermarket guides BC3900/3901. VALVE STEM SEALS - 5.5mm INT/EXH Honda B16A, H22 VTEC.

Brian Crower Intake / Exhaust 5.5mm Valve Stem Seals - Fits Honda B16A, H22 VTEC Qty 16.

part #: bc3970 prices

  • $181.45-$197.00

specifications voomvalve:

  • for models: H22, Vtec
  • for makes: Honda
  • brand: Brian Crower
  • mpn: Bc3970
  • type: Bc Valve Stem Seals
  • performance part: Yes

offer voomvalve:

  • started: April 16, 2026
  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home

payments voomvalve:

  • credit card: Visa
  • other
  • wallet: Paypal

returns voomvalve:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping voomvalve:

  • cost: $0.00
  • service: Standard
  • class: Standard
  • transit: 2-6 Days
  • type: Fixed

seller voomvalve:

  • # reviews: 127757
  • city: San Leandro, California
  • rating: 99.9%

general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: New
for models: h22, vtec, for makes: honda, type: bc valve stem seals, performance part: yes,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 13241827533601723,

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5 offers $181.45–$197.00 USD
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  • Offer #3: $196.90 price + $0.00 shipping estimate = $196.90* total. Brian Crower BC3010 Intake Valve (Honda/Acura B18C/ /B17A 33Mm).FREE SHIPPING
  • Offer #4: $339.00 price + $0.00 shipping estimate = $339.00* total. Note: This Kit Includes Steel Retainers. Engine: 2 B17A B18C1 B18C5.FREE SHIPPING
  • Offer #5: $76.97 price + $0.00 shipping estimate = $76.97* total. Honda/Acura B Series VTEC ( , B18C, B17A) Intake Valve Guides5.5mm Intake - Manganese Silicon Aluminum Bronze.FREE SHIPPING

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