
Manley 1.550 NexTek Dual Valve Springs - 221452SF-16
Upgrade your engine's performance with the Manley 1.550 NexTek Dual Valve Springs, specifically designed for high-performance applications. These premium valve springs are a perfect fit for racing enthusiasts looking to maximize their engine's potential without compromising reliability.
Key Features
- Solid Roller Design: Built for durability and performance, these springs are engineered to withstand the rigors of racing.
- Consistent Spring Pressure: Enjoy no degradation of spring pressure, even in the late stages of a race, ensuring your engine performs at its best when it matters most.
- High-Quality Materials: Made from specially processed premium-grade chrome silicon, these springs are virtually free of impurities and surface irregularities, providing you with peace of mind on the track.
- Proven Performance: The NexTek Series valve springs have been rigorously tested by leading engine builders, making them one of the best-performing options available today.
Specifications
- Maximum Valve Lift: .825 inches
- Outer Diameter (O.D.): 1.550 inches
- Inner Diameter (I.D.): .800 inches
- Installed Open Pressure: 250 lbs @ 2.025 inches / 750 lbs @ 1.200 inches
- Spring Rate: 618 lbs/in
- Coil Bind Height: 1.150 inches
- Component Code: I
Fitment
The Manley 221452SF-16 valve springs are designed to fit a variety of high-performance engines, making them an ideal choice for racers and performance builders. Whether you're upgrading your existing setup or building a new engine, these springs will help you achieve optimal performance.
Customer Feedback
Users have praised the Manley NexTek valve springs for their reliability and performance. Many report improved engine response and consistency during races. Customers appreciate the quality of materials and the rigorous testing these springs undergo, which gives them confidence in their performance on the track.
Why Choose Manley?
When it comes to performance parts, Manley is a name you can trust. With a commitment to quality and innovation, their products are designed to meet the demands of the most serious racing applications. The 1.550 NexTek Dual Valve Springs are no exception, delivering the performance you need to take your engine to the next level.
⚠ 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.
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