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Manley 1.000" Nextek Lightweight Dual Drag Race Valve Springs - 221461-16

Manley 1.000" Nextek Lightweight Dual Drag Race Valve Springs - 221461-16

When it comes to high-performance racing, every component matters. The Manley 1.000" Nextek Lightweight Dual Drag Race Valve Springs are designed specifically for enthusiasts looking to push their vehicles to the limit. With a focus on innovation and performance, these valve springs are engineered to meet the demands of serious drag racers.

Why Choose Manley Valve Springs?

Manley Performance has a long-standing reputation in the aftermarket industry, continuously adapting to the evolving needs of racers. The 221461-16 valve springs are no exception. They’re built for those who want to maximize their engine's potential while ensuring reliability and efficiency.

Key Features

  • Lightweight Dual Design: The dual spring configuration minimizes friction, leading to reduced heat generation and load loss.
  • Improved Valvetrain Control: With a higher natural frequency and lower active mass, these springs allow for better control at higher RPMs.
  • Extensive Testing: Proven performance through rigorous testing on Spintron, dyno, and race tracks, including applications with blown nitro engines.
  • Compact and Lightweight: The smaller diameter design accommodates lighter retainers, promoting higher engine revs.
  • Durable Material: Made from ultra-clean, high tensile strength chrome silicon, ensuring longevity and resilience.
  • Enhanced Fatigue Strength: A super-finished multi-step surface treatment significantly boosts fatigue resistance.
  • Versatile Application: Ideal for various applications with minimal load loss.

Specifications at a Glance

  • Description: Alcohol & Fuel Classes, Pro Mod
  • Maximum Valve Lift: 1.000 inches
  • Outer Diameter (O.D.): 1.540 inches
  • Inner Diameter (I.D.): 0.710 inches
  • Installed / Open Pressure: 425 @ 2.300 | 1389 @ 1.300
  • Rate: 964 lbs/in.
  • Coil Bind: 1.215 inches
  • Weight: 154 grams
  • Component Code: A

Fitment Information

The Manley 221461-16 valve springs are specifically designed to fit a variety of high-performance applications, particularly in drag racing scenarios. They are compatible with engines that require robust valvetrain components to handle the rigors of competition. Whether you're running a Pro Mod setup or an alcohol-fueled machine, these springs are built to deliver optimal performance.

Customer Feedback

Racers have praised the Manley 221461-16 valve springs for their reliability and performance under pressure. Users have reported noticeable improvements in engine response and RPM capabilities, making them a popular choice among serious competitors. The lightweight design has been a game-changer, allowing for quicker revs without sacrificing control.

Upgrade Your Racing Experience

If you're serious about drag racing and want to ensure your engine performs at its best, consider the Manley 1.000" Nextek Lightweight Dual Drag Race Valve Springs. With their advanced design and proven track record, these valve springs are a smart investment for any serious racer.

Proposition 65

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

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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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