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MANLEY

Manley NexTek GM LT4 Beehive Valve Spring Kit 2638LT4KS - Ti Retainers

PART NUMBER:
2638LT4KS
MPN:
2638LT4KS
Availability:
Ships from Manufacturer
Shipping:
Free Over $98 In U.S. 48
Type:
Beehive Valve Spring Kits
Spring Diameter Bottom (in.):
1.311
Spring Diameter Top (in.):
1.076
Spring I.D. Bottom (in.):
0.885
Spring I.D. Top (in.):
0.650
Max Lift (in.):
0.650
Load (lbs) @ Installed Height (in):
150 @ 1.800
Open Load (lbs) @ Open Height (in.):
380 @ 1.150
Coil Bind (in.):
1.100
Rate (lbs/in.sq):
353
Kit Includes:
See Parts Below
Spring:
221438-16 NexTek
Retainer:
23601-16 Titanium 7 Degree
Lock:
13098-16 Machined Valve 7 Degree
Seal:
24042-16 Viton Valve Stem
Quantity:
Sold as a kit
On Sale
Now: $458.23
Was: $644.91

Description

Manley NexTek GM LT4 Beehive Valve Spring Kit 2638LT4KS - Ti Retainers

Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of top-level engine builders who need the absolute highest-quality valve springs available. Manley Nextek springs can be found in drag race applications ranging from Bracket racers to Top Fuel, oval track engines across the country, and muscle cars on the street and strip.

Features:

  • Manufactured from HiTensile Chrome Silicon steel
  • Shotpeened to MIL Specs for maximum fatigue life
  • Proprietary multi-step heat treating minimizes load loss
  • Tightly controlled open end flatness reduces valve stem side loading
  • Tip thickness designed to eliminate overload breakage
  • Specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities
  • Available in Polished and Super Finished versions to reduce friction, improve fatigue life and minimize load loss
  • Super Finished is a multi-step surface enhancement that significantly improves fatigue strength
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