Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.550 98643-1)
If you're looking to upgrade your vehicle's valve springs, the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.550 98643-1) is an excellent choice. Designed with performance in mind, these springs are crafted from a unique alloy material that offers low stress and high endurance, making them perfect for both street and racing applications.
Features That Stand Out
- Durable Alloy Material: The specially developed Pro-Alloy material ensures that these springs can withstand the rigors of high-performance environments.
- Low Fatigue Rate: Unlike many roller springs available, the Howards Cams springs boast a significantly lower fatigue rate, ensuring reliability over time.
- Extensive Testing: Each spring has been cycle tested to an impressive 12 million cycles without any breakage, proving their durability.
- Precision Engineering: Coiled using advanced CNC winders, every spring is parallel ground, stress relieved, and deburred for optimal performance.
- Heat Treatment and Shot Peening: These processes enhance the springs' longevity, even in the most demanding racing conditions.
Benefits of Choosing Howards Cams Pro Valve Springs
When it comes to performance, these valve springs provide superior reliability and strength. Their ability to maintain performance under stress means you can push your vehicle to its limits without worrying about spring failure. Whether you're on the track or cruising the streets, these springs will help keep your engine running smoothly.
Specifications
- Part Number: 98643-1
- Spring Diameter: 1.550 inches
- Material: Pro-Alloy
- Cycle Tested: 12 million cycles
Popular Fitments
The Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs are compatible with a variety of vehicles. Here are some popular fitments:
- Chevrolet Small Block (SB) Engines
- Ford 302/351W Engines
- Dodge 5.7L HEMI Engines
Customer Reviews
Customers have praised the Howards Cams Pro valve springs for their outstanding performance and durability. Users often highlight the significant improvement in engine responsiveness and overall reliability during high-stress conditions. Many appreciate the extensive testing that assures them of the product's quality.
Upgrade your engine with confidence, knowing that the Howards Cams Pro - Alloy Mechanical Roller Dual Valve Springs (1.550 98643-1) are designed to perform and last, no matter where the road takes you.
⚠ 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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