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Howards Cams Pacaloy Mechanical Roller Valve Springs 98223-1
Part Number: HRS-98223-1
Howards Cams Pacaloy Mechanical Roller Valve Springs
Valve Spring, Pacaloy Mechanical Roller, Dual, 1.260 in. O.D., 0.624 in. I.D., 610 lbs/in., 0.550 in. Maximum Lift, 1.115 in. Coil Bind, Each
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Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
98223-1
Part Type:
Product Line:
Summit Racing Part Number:
HRS-98223-1
UPC:
840793125333
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
0.550 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.260 in.
Coil Bind Height (in.):
1.115 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
610 lbs./in.
Inside Diameter of Outer Spring (in.):
0.860 in.
Inside Diameter of Inner Spring (in.):
0.624 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.):
145 lbs.
Open Height (in.)(application):
1.200
Open Pressure (lbs.):
511 lbs.
Remanufactured:
No
Howards Cams Pacaloy Mechanical Roller Valve Springs
Howards Cams and PAC Racing joined forces to engineer Pacaloy mechanical roller valve springs—a premium line designed for high-impact and endurance race applications. Machined from proprietary high-tensile steel, these coils offer a 550 lb. spring rate and will deliver the highest quality performance you can expect from valve springs. Equip your ride with a set of Pacaloys.
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