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Manley 1.522 NexTek Dual Valve Springs - 221460-16

Manley 1.522 NexTek Dual Valve Springs: Performance Redefined

If you're serious about optimizing your engine's performance, the Manley 1.522 NexTek Dual Valve Springs (Part Number: 221460-16) are a game-changer. Designed for drag racing enthusiasts and high-performance applications, these valve springs bring a blend of lightweight construction and robust engineering to the table.

Key Features

  • Lightweight Dual Drag Race Design: The dual spring setup minimizes friction, reducing heat generation and load loss, allowing your engine to perform at its best.
  • Optimized for Alcohol and Fuel Classes: Whether you're racing in Pro Mod or other classes, these springs are built to handle the demands of high-octane environments.
  • Higher RPM Potential: With a higher natural frequency and lower active mass, these springs provide enhanced valvetrain control, enabling your engine to reach higher RPMs.
  • Extensive Testing: Rigorously tested on the dyno and race track, including applications with blown nitro engines, these springs have proven their effectiveness in real-world conditions.
  • Smaller Diameter, Lightweight Design: This design not only allows for higher revs but also accepts smaller, lighter retainers for even better performance.
  • High-Strength Material: Made from ultra-clean, high tensile strength chrome silicon, these springs are built to last.
  • Improved Fatigue Strength: The super finished multi-step surface enhancement significantly boosts fatigue resistance, ensuring longevity under pressure.

Specifications

  • Maximum Valve Lift: .950 inches
  • Outer Diameter: 1.522 inches
  • Inner Diameter: .710 inches
  • Installed Open Pressure: 440 lbs @ 2.250 inches
  • Installed Closed Pressure: 1340 lbs @ 1.300 inches
  • Rate: 948 lbs/inch
  • Coil Bind: 1.255 inches
  • Component Code: A

Fitment

The Manley 1.522 NexTek Dual Valve Springs are specifically engineered for high-performance engines, making them an ideal choice for various applications where reliability and performance are paramount. Whether you're building a race engine or upgrading your existing setup, these springs are designed to fit seamlessly and enhance your engine's capabilities.

Customer Feedback

Users rave about the performance improvements they’ve experienced with the Manley 221460-16 springs. Many have noted the remarkable increase in RPMs and the overall stability of the valvetrain, especially during high-stress racing conditions. Customers appreciate the lightweight design, which contributes to quicker throttle response and better overall engine dynamics.

For those looking to push their performance to the next level, the Manley 1.522 NexTek Dual Valve Springs are a solid investment. Experience the difference in your engine's performance and enjoy the thrill of racing with confidence!

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Manley Logo

How did Manley Performance Start?

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 Space

Led 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 Racing

If 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.

Due to the intended usage of the products sold by Manley Performance Products, Inc., they are sold WITHOUT WARRANTY OR ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR THE INTENDED PURPOSE. Manley Performance Products, Inc. shall not, under any circumstances, be liable for any special, consequential or incidental damages, including but not limited to loss of profits or revenue, loss of other property or equipment, cost of purchased or replacement of goods, or claims by customers of the purchaser, which may arise and/or result from the sale, installation or use of these parts. Installation of parts intended for “off-highway” use could adversely affect the vehicle manufacturer’s warranty coverage. Subject to applicable state law. Some items may not be legal for use in California on pollution controlled vehicles. All weights specified are approximate and subject to manufacturing tolerances. Manley Performance Products, Inc. reserves the right to make changes in design, specifications, materials, or make product changes without incurring liability or obligation with respect to similar product previously manufactured. If technical advice is offered or given in connection with the use of any Products it will be as an accommodation to Buyer and without charge and Seller shall have no responsibilities or liabilities whatsoever for the content or use of such advice.
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Sale price None
Wholesale price $1,067.13
Shipping Weight: 4.00
Length: 15
Width: 4
Height: 4
Product Added At Friday 24 July, 2020
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
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Emissions Info
Carb Approved Yes
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Meyer Distributing $904.35 $1,202.84 $999.69 $999.69 ? 2025-07-11 04:09:53


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