Howards Cams Max Effort Dual with Damper Valve Springs (1.539 98630-1)
Looking to boost your engine's performance? The Howards Cams Max Effort Dual with Damper Valve Springs (1.539 98630-1) is designed to meet the demands of serious racers and performance enthusiasts alike. These valve springs are not just any ordinary springs; they are precision-engineered to deliver optimal performance under extreme conditions.
Key Features
- CNC Coiled & Heat-Treated: Crafted using advanced CNC coiling technology, these springs are heat-treated to ensure durability and reliability.
- High-Quality Valve Spring Wire: Made from premium materials, ensuring longevity and consistent performance.
- Stress Relieved: Each spring undergoes a stress relief process to minimize fatigue and enhance lifespan.
- Ground and Shot-Peened: This finishing process improves surface strength and reduces the risk of failure during high-stress situations.
Benefits
With Howards Cams Max Effort valve springs, you can expect:
- Improved valve control for better engine efficiency.
- Enhanced performance for various racing applications, including drag racing, circle track, and road courses.
- Reliable operation even in extreme conditions, making them ideal for performance marine applications.
Specifications
- Part Number: 98630-1
- Spring Type: Dual with Damper
- Spring Height: 1.539 inches
Popular Fitments
The Howards Cams Max Effort Dual Valve Springs (98630-1) are compatible with a variety of high-performance vehicles, including:
- Chevrolet Small Block (SB) Engines
- Ford Modular Engines
- Dodge HEMI Engines
Customer Reviews
Customers rave about the Howards Cams Max Effort valve springs. Here are some thoughts from fellow enthusiasts:
- John D.: "These springs have made a noticeable difference in my engine's responsiveness. Highly recommend!"
- Lisa M.: "I use them for my drag racing setup, and they hold up perfectly under pressure. Great investment!"
- Mike T.: "Best valve springs I've ever used. They really help with maintaining control at high RPMs."
When you're ready to take your vehicle's performance to the next level, the Howards Cams Max Effort Dual with Damper Valve Springs (1.539 98630-1) is the perfect choice for serious racing applications.
⚠ 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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