Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.640 98738-A)
If you're looking for top-notch valve springs that can handle the demands of high-performance engines, the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.640 98738-A) is a fantastic choice. Designed with precision and durability in mind, these springs are engineered to enhance the performance and longevity of your vehicle's engine.
Features
- High-Endurance Material: Made from a specially developed Pro-Alloy material, these valve springs offer low stress and high endurance, making them reliable even in the toughest conditions.
- Low Fatigue Rate: With a significantly lower fatigue rate compared to most roller springs on the market, you can trust that these springs will maintain their performance over time.
- Extensive Testing: Each spring has been cycle tested to withstand up to 12 million cycles without breakage, ensuring durability and reliability.
- Advanced Manufacturing: Coiled using state-of-the-art CNC winders, each spring undergoes a meticulous process including parallel grinding, stress relief, and deburring for superior quality.
- Heat Treatment: The springs are shot-peened and heat-treated to specific standards, contributing to their extended lifespan, even in rough racing environments.
Benefits
The Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.640 98738-A) are designed not just for performance but for reliability. These springs help maintain valve control at high RPMs, ensuring your engine runs smoothly and efficiently. Whether you're hitting the track or just want to improve your daily driver, these springs will provide the performance boost you need.
Specifications
- Part Number: 98738-A
- Spring Diameter: 1.640 inches
- Material: Pro-Alloy
- Cycle Tested: 12 million cycles
Popular Fitments
- Chevrolet Small Block (SB) Engines
- Ford 351W Engines
- Dodge 5.7L HEMI Engines
- LS Series Engines
Customer Reviews
Customers rave about the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs. Many appreciate the durability and performance enhancements they provide. One user noted, "These springs made a noticeable difference in my engine's responsiveness and stability at high RPMs." Another customer mentioned, "After installing these, I feel much more confident pushing my engine to its limits during races." The feedback highlights the springs' reliability and effectiveness, making them a popular choice among performance enthusiasts.
Upgrade your engine's performance with the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.640 98738-A). Designed for those who demand quality and performance, these springs are a smart investment for any serious automotive enthusiast.
⚠ 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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