If you're looking to enhance your engine's performance, the Manley Spring Retainer, RET-H13 SUPER 7 DEG 1.550 DBL is an excellent choice. Designed specifically for high-performance applications, this spring retainer is crafted to meet the demands of automotive enthusiasts and professionals alike.
This spring retainer is engineered to provide a secure fit for your engine's valve springs, ensuring optimal performance and reliability. The 7-degree design is perfect for those who are looking to maximize their engine's efficiency and power output. With a diameter of 1.550 inches, it fits a variety of applications, making it a versatile choice for your automotive needs.
While the Manley Spring Retainer is designed for universal fitment, it’s always a good idea to double-check compatibility with your specific vehicle model. This ensures that you get the best performance from your engine setup. Customers have found this part to work seamlessly with a range of domestic engines, making it a reliable choice for your next upgrade.
Many users have praised the Manley Spring Retainer for its robust construction and reliable performance. Here’s what some customers have to say:
Universal Fitment: While this product is designed to fit a variety of vehicles, we recommend doing your own research to ensure compatibility with your specific model. This will help you confirm that the Manley Spring Retainer is the right choice for your setup.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Manley Performance, formerly called Manley Speed Equipment, was established in 1966 by Hank Manley shortly after his graduation from Brown University. His interest in the performance and racing traced back to 1960 when, at age 17, he rebuilt a 312 CID Ford V8 engine, installed a camshaft and three two-barrel carbs, and raced a ’56 Thunderbird on New Jersey’s streets. Initially, the company’s product lineup included stainless valves, lifters, camshafts, forged pistons, vanadium valve springs, pushrods, and timing chain kits. By 1998, Manley had outgrown its first Bloomfield, New Jersey facility and bought several acres in Lakewood, New Jersey. It was around this time that the brand’s name formally changed to Manley Performance. Nearly a decade later, the production space doubled in size.
Evolving in the Automotive SpaceLed by GM Michael Tokarchik in 2002, Manley entered the high-performance passenger car market as an OEM supplier of connecting rods for the 2003/2004 Ford SVT Mustang Cobra. Production reached 2500 rods per week without missing a single delivery date. Ford awarded Manley its highest ever supplier rating. Manley’s presence in the OEM market continued from there as a supplier for the Ford GT. After nearly 50 years since its inception, Manley continues to be globally recognized as the leading manufacturer of performance valves, connecting rods, cylinder head components, pushrods, drive and oil systems, and several other engine parts.
What is Manley’s Specialty?Manley Performance specializes in high-performance engine internals that range from stock replacements to full-on race applications. They have been the standard of the industry since their inception; a fact that still remains true now as they have ventured into new markets. Today, Manley Performance continues to re-define itself in a high-performance aftermarket industry that is constantly evolving. The brand has developed a wide range of new products for growing markets that include sport compact, Ford modular, and Chevy LS. Manley also maintains its leadership role with the traditional V8 engine business.
Get Manley Performance at Vivid RacingIf you are in need of a serious upgrade to your engine, then Manley Performance parts should be on your list. Like all of our suggested manufacturers, Manley uses the best materials available to ensure a quality part for your engine. We carry Manley connecting rods, crankshafts, pistons, and valve components. The large lineup of domestic parts includes sport compact vehicles, Ford modular engines, GM’s LS series internals, and HEMI product upgrades for Chrysler.
If you can’t find what you’re looking for or need help choosing the right part for your car, call our sales team at (480) 966-3040. We are here to make your buying experience a breeze.