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Valve Spring, NexTek, Single Beehive, 1.126 in. O.D., 0.750 in. O.D., 0.880 in. Coil Bind Height, 330 lbs./in. Spring Rate, Each
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Overview
Brand:
Manufacturer's Part Number:
221434-1
Part Type:
Product Line:
Summit Racing Part Number:
MAN-221434-1
UPC:
807298023458
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.525 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.126 in.
Coil Bind Height (in.):
0.880 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
330 lbs./in.
Inside Diameter of Outer Spring (in.):
0.750 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold individually.
Make:
FORD
Engine Family:
Ford modular V8
Installed Height (in.):
1.420 in.
Seat Pressure at Installed Height (lbs.):
95 lbs.
Open Height (in.)(application):
0.920
Open Pressure (lbs.):
260 lbs.
Remanufactured:
No
Manley NexTek Valve Springs
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.
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