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Howards Cams Performance Mechanical Flat Tappet Valve Springs 98218-1
Part Number: HRS-98218-1
Howards Cams Performance Mechanical Flat Tappet Valve Springs
Valve Springs, Single, 1.265 in. Diameter, 415 lb./in., 1.150 in. Coil Bind Height, Single
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Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
98218-1
Part Type:
Product Line:
Summit Racing Part Number:
HRS-98218-1
UPC:
840793125296
Valve Spring Style:
Standard
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.600 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.265 in.
Coil Bind Height (in.):
1.150 in.
Damper Spring Included:
Yes
Spring Rate (lbs./in.):
415 lbs./in.
Inside Diameter of Outer Spring (in.):
0.875 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold individually.
Installed Height (in.):
1.800 in.
Seat Pressure at Installed Height (lbs.):
125 lbs.
Open Height (in.)(application):
1.200
Open Pressure (lbs.):
375 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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