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Howards Cams Electro Polished Pro-Alloy Mechanical Roller Valve Springs 98637 Springs, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16

SKU: HRS98637

Valve Springs

Howards Cams Electro Polished Pro-Alloy Mechanical Roller Valve Springs 98637 Springs, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16

SKU: HRS98637

Valve Springs
A$690.97
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

When only the best will do, depend on these Howards Cams Electro Polished Pro-Alloy mechanical roller valve springs! Howards Cams took their state-of-the-art Pro-Alloy roller valve springs one step further with electro polishing, which enhances the material even further. By reducing localized stress areas, these springs offer even greater life expectancy.

Part Type

Dual Valve Springs - 1.540

Data: v4.2 - Upd: 2026-09-29 03:36:25

Specifications

Product Attributes - Brand
Howards Cams
Product Attributes - Manufacturer's Part Number
98637
Product Attributes - Part Type
Valve Springs
Product Attributes - Product Line
Howards Cams Electro Polished Pro-Alloy Mechanical Roller Valve Springs
Product Attributes - UPC
840793125982
Product Attributes - Valve Spring Style
Standard
Product Attributes - Number of Springs Per Valve
Dual
Product Attributes - Maximum Valve Lift (in.)
0.700 in.
Product Attributes - Retainers Included
No
Product Attributes - Outside Diameter of Outer Spring (in.)
1.550 in.
Product Attributes - Coil Bind Height (in.)
1.190 in.
Product Attributes - Damper Spring Included
Yes
Product Attributes - Spring Rate (lbs./in.)
521 lbs./in.
Product Attributes - Inside Diameter of Inner Spring (in.)
0.730 in.
Product Attributes - Locks Included
No
Product Attributes - Valve Stem Seals Included
No
Product Attributes - Valve Springs Coated
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a set of 16.

Reference Information

Brand Name/s Howards Cams
StreetFX SKU hrs98637
SFX Item ID 5098426
Supplier Item Code 5098426
Manufacturer SKU 98637
Manufacturer UPC 840793125982
Alternative References HRC98637

Compatibility

Application Data
  • Installed Height (in.)1.950 in.
    Seat Pressure at Installed Height (lbs.)225 lbs.
    Open Height (in.)(application)1.230
    Open Pressure (lbs.)600 lbs.

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