Howards Cams Max Effort Dual with Damper Valve Springs (Part No. 98634-1)
If you're looking to boost your engine's performance, the Howards Cams Max Effort Dual with Damper Valve Springs (Part No. 98634-1) is a top-notch choice. Designed specifically for competition racing, these valve springs are engineered to meet the demands of high-performance applications.
Key Features
- CNC Coiled and Heat-Treated: Each spring is meticulously crafted using advanced CNC coiling techniques and heat treatment processes to ensure durability and reliability.
- High-Quality Materials: Made from premium valve spring wire, these springs are built to last and perform under pressure.
- Stress Relieved and Shot-Peened: The springs undergo stress relief and shot peening, enhancing their longevity and resistance to fatigue.
Benefits of Choosing Howards Cams 98634-1
Whether you're hitting the drag strip, tearing up the circle track, or navigating a road course, these valve springs are designed to excel in extreme racing conditions. The dual damper design helps to reduce valve float and improve stability, giving you the confidence to push your engine to its limits.
Specifications
- Spring Diameter: 1.540 inches
- Type: Dual with Damper
- Part Number: 98634-1
Popular Fitments for Part No. 98634-1
- Chevrolet Small Block (SB) Engines
- Chevrolet Big Block (BB) Engines
- Ford 302 and 351 Engines
Customer Feedback
Customers have praised the Howards Cams 98634-1 for their reliability and performance. Many users have noted significant improvements in engine response and power delivery during racing conditions. Here are some highlights from recent reviews:
- "These springs have made a noticeable difference in my drag racing performance. Highly recommend!"
- "Great quality and fit for my engine setup. No more valve float!"
- "I trust Howards for all my racing needs, and these springs did not disappoint!"
Investing in the Howards Cams Max Effort Dual with Damper Valve Springs is a smart move for any serious racer looking to enhance their vehicle's performance and reliability on the track.
⚠ 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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