Manley Performance 1.335 Double NexTek High Performance Valve Springs - Set of 16 | Multiple Fitments (221422-16)

Manley Performance
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SBC LS-Series, LT1 NexTek® Series High Performance Solid Roller Valve Springs - Set of 16 by Manley Performance

These Manley NexTek valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines. They're manufactured from super-clean, high-tensile chrome silicon steel and are shot-peened to MIL specs for maximum fatigue life. They feature a proprietary, multi-step heat-treating that minimizes load loss and have computer-aided modeling to minimize valve bounce and valve gear separation.

The Manley NexTek valve springs are smaller diameter and lightweight, allowing engines to rev higher faster. They have an extended tip thickness designed to eliminate overload breakage, and their tightly controlled open-end flatness reduces valve stem side loading.

Features

  • Super Finished Double Without Damper
  • Manufactured from “super clean” Hi-Tensile Chrome Silicon steel
  • Tip thickness designed to eliminate overload breakage
  • Shot-peened to MIL spec for maximum fatigue life
  • Computer-aided modeling or designs minimizes valve bounce and valve gear separation
  • Tightly controlled open end flatness reduces valve stem side loading
  • Proprietary multi-step heat treating minimizes load loss
  • Optimized “Select Size Fitting” between outer and inner springs to maximize harmonic dampening and reduce heat generated during operation
  • Many offerings are a damperless design which eliminates unnecessary damper weight and reduces retainer wear

Benefits

  • Higher natural frequency and lower active mass provides improved valvetrain control and higher RPM potential
  • Dual spring design reduces friction, which generates less heat and translates into greatly reduced load loss
  • Extensively tested on the Spintron, dyno and race track (including blown nitro engines) and proven highly effective
  • Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control
  • Accepts smaller, lighter retainers which also promotes higher revs
  • Ultra clean, high tensile strength chrome silicon material
  • Super Finished multi-step surface enhancement significantly improves fatigue strength
  • Ideal for Boosted Applications

Please Note: The image provided is generic and may not be an accurate representation of the product you will receive

Applications

  • 1992–1996 Chevrolet Corvette C4
  • 1997-2004 Chevrolet Corvette Base
  • 1993–1997 Chevrolet Camaro Z28, B4C and SS
  • 1993–1997 Pontiac Firebird Formula, Trans Am, and Firehawk
  • 1994–1996 Chevrolet Caprice
  • 1994–1996 Chevrolet Caprice Police Package
  • 1994–1996 Chevrolet Impala SS
  • 1994–1996 Chevrolet Caprice Wagon

What's In The Box?

  • 16 - Valve Springs

Warranty

  • Manley products, due to their intended use, are sold without warranty.

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