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Vivid Racing Gear 
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!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
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 ExperienceThe 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 TechniqueHowards 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 RacingIf 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.
