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Howards Cams Performance Mechanical Flat Tappet Valve Springs 98437
Part Number: HRS-98437
Howards Cams Performance Mechanical Flat Tappet Valve Springs
Valve Springs, Dual, Mechanical Flat Tappet, 1.435 in. O.D., 455 lbs/in, 1.055 in. Coil Bind Height, Set of 16
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Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
98437
Part Type:
Product Line:
Summit Racing Part Number:
HRS-98437
UPC:
840793125524
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
0.575 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.435 in.
Coil Bind Height (in.):
1.055 in.
Damper Spring Included:
Yes
Spring Rate (lbs./in.):
455 lbs./in.
Inside Diameter of Outer Spring (in.):
1.035 in.
Inside Diameter of Inner Spring (in.):
0.697 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold as a set of 16.
Installed Height (in.):
1.680 in.
Seat Pressure at Installed Height (lbs.):
135 lbs.
Open Height (in.)(application):
1.190
Open Pressure (lbs.):
360 lbs.
Remanufactured:
No
Howards Cams Performance Mechanical Flat Tappet Valve Springs
Howards Cams performance mechanical flat tappet valve springs are constructed from top-quality, aircraft-grade chrome silicone material, coiled and heat-treated in the finest facilities. Each spring is coiled, stress-relieved, deburred, shot-peened, and heat-treated to Howards Cams' very strict standards. Howards Cams constantly updates their materials and manufacturing techniques to provide the best possible valve springs.
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