Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs 1.550 (Part No. 98643)
Looking to boost your engine's efficiency? The Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs are designed with precision and performance in mind. Crafted from specially developed Pro-Alloy material, these springs offer low stress and high endurance, making them a reliable choice for your vehicle.
Key Features
- Durable Construction: Made from a unique low fatigue material, these springs have a significantly lower fatigue rate compared to standard roller springs.
- Impressive Longevity: Cycle tested to withstand an incredible 12 million cycles without breakage, ensuring you get the most out of your investment.
- Advanced Manufacturing: Each spring is meticulously coiled using state-of-the-art CNC winders, ensuring precision and consistency in every unit.
- Stress Relief Process: Springs undergo parallel grinding, stress relieving, and deburring, followed by shot-peening and heat treatment to meet stringent standards.
Benefits of Using Howards Cams Pro 98643
These valve springs are engineered to provide exceptional performance, especially in demanding racing environments. Their robust design helps maintain valve control, which is essential for maximizing engine output and efficiency. Whether you're a weekend warrior or a serious racer, the Howards Cams Pro 98643 springs will help you achieve your performance goals.
Specifications
- Part Number: 98643
- Diameter: 1.550 inches
- Material: Pro-Alloy
- Cycle Testing: 12 million cycles
Popular Fitments
The Howards Cams Pro 98643 springs are compatible with a variety of vehicles, including:
- Chevrolet Small Block (SB) engines
- Ford Modular engines
- Dodge HEMI engines
- Various performance applications in the racing community
Customer Reviews
Users rave about the reliability and performance of the Howards Cams Pro 98643 springs. Here’s what some customers have to say:
- "These springs are a game changer for my racing setup. I’ve noticed a significant improvement in valve control!"
- "After using these springs, I can confidently push my engine to its limits without worrying about failure."
- "The quality is evident right out of the box. Highly recommend for anyone serious about performance."
Upgrade your engine's performance with the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs 1.550 (98643) and experience the difference in quality and reliability!
⚠ 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.
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