Manley 221444-16 NexTek Valve Springs, Dual, 546 lbs/in. Rate, 1.220 in. Coil Bind, 1.610 in. O.D, Set of 16

$529.04
MSRP: $570.70
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SKU:
MAN221444-16
MPN:
221444-16
UPC:
807298023748
Condition:
New
Weight:
6.30 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

Out of stock

NexTek® Series
Lightweight Dual Drag Race Valve Springs

Features
  • 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 loads for multiple applications with minimal load loss
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
O.D. Outer Spring (in.):
1.610 in.
Coil Bind Height (in.):
1.220 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
546 lbs./in.
I.D. of Outer Spring (in.):
N/A
I.D. of Inner Spring (in.):
0.842 in.
Valve Springs Coated:
No
Maximum Valve Lift (in.):
0.750 in.
Retainers Included:
No
Retainer Material:
N/A
Locks Included:
No
Lock Material:
N/A
Valve Stem Seals Included:
No
Installed Height:
235 lbs. @ 2.050 in.
Open Height:
645 lbs. @ 1.300 in.
Quantity:
Sold as a set of 16.
Notes:
16 Total