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Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
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Estimated Ship Date from OH, TX: Today Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
221425-1
Part Type:
Product Line:
Summit Racing Part Number:
MAN-221425-1
UPC:
807298023892
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
0.900 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.640 in.
Coil Bind Height (in.):
1.150 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
604 lbs./in.
Inside Diameter of Inner Spring (in.):
0.860 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold individually.
Installed Height (in.):
2.100 in.
Seat Pressure at Installed Height (lbs.):
280 lbs.
Open Height (in.)(application):
1.250
Open Pressure (lbs.):
794 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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Some parts are not legal for use in California or other states with similar laws / regulations
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