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Howards Cams Hydraulic Flat Tappet Variable Duration Lifters; Chevy 348/409 91002-1 - 91002-1

Howards Cams Hydraulic Flat Tappet Variable Duration Lifters for Chevy 348/409 (91002-1)

If you're looking to boost your Chevy 348 or 409's performance, the Howards Cams Hydraulic Flat Tappet Variable Duration Lifters (part number 91002-1) are a fantastic choice. These lifters are designed with racing in mind, ensuring that you get the most out of your engine without compromising on power or efficiency.

Features

  • All-New Design: Crafted specifically for high-performance race applications.
  • High-Grade Tappet Shell: Built to withstand the rigors of racing, ensuring durability and reliability.
  • Close Tolerance Valving: Optimizes oil flow and pressure for better performance.
  • Enhanced Low-End Torque: Maximizes torque without sacrificing mid-range or top-end power.
  • Improved Vacuum: Increases vacuum levels by up to 3 inches, enhancing overall engine efficiency.
  • Duration Adjustment: Effectively lowers cam duration by about 10 degrees up to 3000 RPM.
  • Mild Ticking Sound: These lifters produce a sound similar to mechanical lifters, which is normal and expected.
  • Preload Settings: For optimal performance, set preload between .020" and .040".
  • Made in the USA: Proudly manufactured to ensure high quality and performance standards.

Benefits

These lifters are perfect for endurance applications, whether you're hitting the streets or the track. With their unique design, they provide maximum low-end torque while maintaining a strong mid-range and top-end power. This means you can enjoy a responsive driving experience without sacrificing performance at higher RPMs.

Specifications

  • Part Number: 91002-1
  • Fitment: Chevy 348/409 Engines
  • Preload Range: .020" - .040"
  • Vacuum Increase: Up to 3 inches
  • Duration Reduction: Approximately 10 degrees up to 3000 RPM

Popular Fitments

  • Chevy 348 Engine (1958-1965)
  • Chevy 409 Engine (1961-1965)
  • Chevrolet Impala (1961-1965) with 348/409 Engine
  • Chevrolet Bel Air (1961-1965) with 348/409 Engine

Customer Reviews

Customers have praised the Howards Cams 91002-1 lifters for their quality and performance. Many have noted noticeable improvements in torque and engine responsiveness, making them a favorite among enthusiasts and racers alike. The mild ticking sound has been described as a reassuring sign of the lifters' mechanical function, adding to the overall character of the engine.

Upgrade your Chevy 348 or 409 with the Howards Cams Hydraulic Flat Tappet Variable Duration Lifters (91002-1) and experience the difference in your vehicle's performance!

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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