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Howards Cams Extreme Black Intake Valve; Chevy 396-502 (Mark IV) 2.250 11/32 22521N - 22521N

Howards Cams Extreme Black Intake Valve for Chevy 396-502

Upgrade your Chevy 396-502 (Mark IV) with the Howards Cams Extreme Black Intake Valve (Part Number: 22521N), designed specifically for high RPM and high horsepower applications. This valve is engineered to perform under the most demanding conditions, making it a top choice for serious racers and performance enthusiasts alike.

Key Features

  • High-Temperature Performance: The Extreme Black valves feature a gloss black nitride finish that helps them run cooler, extending valve life and reliability.
  • Superior Flow: For naturally aspirated engines, these valves significantly enhance cylinder flow, translating into impressive horsepower gains.
  • One-Piece Forged Construction: Made from high-temperature, high-nickel stainless steel alloy, these valves are built to withstand the rigors of racing.
  • CNC Precision Finishing: Each valve is CNC finished to strict tolerances, ensuring a perfect fit and optimal performance.
  • Micro-Hardness: The black nitride process creates a surface hardness that surpasses standard stainless steel, offering unmatched durability.
  • Smoother Operation: With a surface finish smoother than chromed stems, these valves reduce friction between the stem and guide, leading to less power loss.

Benefits of Using Howards Cams 22521N

Whether you're working on a nitrous, turbo, or supercharger application, the Howards Cams Extreme Black Intake Valve provides the performance boost you need. The nitriding process is not just a coating; it becomes an integral part of the steel, ensuring long-lasting performance. Thanks to its innovative design, you can expect improved efficiency and power delivery from your engine.

Specifications

  • Valve Size: 2.250 inches
  • Stem Diameter: 11/32 inches
  • Material: High nickel stainless steel alloy
  • Finish: Gloss black nitride

Popular Fitments for Howards Cams 22521N

  • Chevy 396 (Mark IV)
  • Chevy 402 (Mark IV)
  • Chevy 427 (Mark IV)
  • Chevy 454 (Mark IV)

Customer Reviews

Users have praised the Howards Cams Extreme Black Intake Valve for its exceptional durability and performance. Many have noted significant improvements in engine responsiveness and power output. Here are some highlights from customer feedback:

  • "These valves made a noticeable difference in my engine's performance. Highly recommend!"
  • "The quality is outstanding, and the fit was perfect. I’m very satisfied with this purchase."
  • "Great upgrade for anyone looking to push their engine to the next level!"

Upgrade your Chevy 396-502 with the Howards Cams Extreme Black Intake Valve (22521N) and experience the difference in performance and reliability that comes with high-quality engineering.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Howards Cams?

Howards Cams is an aftermarket company that Howards Johansen founded in 1945. It started as Howards Power & Racing Equipment and specialized in manufacturing high-performance racing cams for the automotive market. Even after turning the business over their oldest son, the company remained one of the best cam manufacturers in the industry.

Maximizing Their Racing Experience

The company has always used it is on-track experience to create powerful cam profile designs. It is why they have become one of the favorite brands of many top fuel dragster racers and drivers from other racing disciplines such as road racing, mudd bogging, marine racing, and circle track racing.

Advanced Manufacturing Technique

Howards Cams uses the most advanced computer design software to create the most competitive product out there. They offer a wide range of performance parts from camshafts, connecting rods, crankshafts, billet main caps, and forged pistons. All of these are made in the USA to ensure consistent quality.

Purchase Howards Cams Products At Vivid Racing

If you are in the market for high-performance parts for your engine, then look no further as Howard Cams is the brand for you. They have all the parts you need to create a fast machine and is trusted by many racers and enthusiast worldwide. If being on the top podium is your dream, then upgrade your engine with Howard Cams parts. 

To know more about the company, visit Vivid Racing and check out their list of products that fit your specific needs.

Warranty: Howards Cams Hydraulic/Mechanical Flat Tappet Camshafts are 100% Rockwell checked and parkerized at our manufacturing plantin Wisconsin. Howards Cams hydraulic and mechanical lifters are also 100% Rockwell checked for hardness to ensure that our customers receive the best American made components available. To give our customers a performance edge, Howards Cams will unconditionally replace to the original purchaser only, any non-usable hydraulic or mechanical flat tappet camshafts and lifters for 1/2 the amount of the original invoiced purchase price for a period of 6 months from the date of original retail purchase. Howards™ Cams does not warrant the performance of our products due to Howards™ Cams lack of control during product installation and usage. This applies to all camshafts, valve train components and all other racing components in our catalog and product line. Note: Due to oil available today, all Flat Tappet Cams (hydraulic or mechanical) must be initially ran with a quality break-in lube, such as Howards Z.P.M. Max. There is absolutely no warranty, expressed or implied or otherwise, on Howards Cams parts, labor, installation charges or other damaged parts. Howards Cams assumes no responsibility or liability whatsoever on incidental or consequential damages. There are no implied warranties of merchantability or fitness for a particular purpose. Howards Cams neither assumes nor authorizes any person to assume for it, any other obligation or liability in connection with the sale or use of our products. Howards Cams will replace or refund any part that has a manufacturers defect found before installation or alteration. Customers are responsible for blueprinting engine components before installation or startup.

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