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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. In stock at 2 locations (more than 10 available)

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Description

Valve Spring - Dual Spring / Damper - 510 lb/in Spring Rate - 1.190 in Coil Bind - 1.540 in OD - Set of 16


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:46:05

Data: v4.2 - Upd: 2026-11-08 05:53:02

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Howards Cams, HOWARDS RACING COMPONENTS
StreetFX SKU hrs98637
SFX Item ID 5098426
Accounting SKU hrs-98637
Manufacturer SKU 98637
Manufacturer UPC 840793125982
Alternative References HRC98637, HRS-98637

Valve Springs, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16

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.

Product Attributes
BrandHowards Cams
Manufacturer's Part Number98637
Part TypeValve Springs
Product LineHowards Cams Electro Polished Pro-Alloy Mechanical Roller Valve Springs
UPC840793125982
Valve Spring StyleStandard
Number of Springs Per ValveDual
Maximum Valve Lift (in.)0.700 in.
Retainers IncludedNo
Outside Diameter of Outer Spring (in.)1.550 in.
Coil Bind Height (in.)1.190 in.
Damper Spring IncludedYes
Spring Rate (lbs./in.)521 lbs./in.
Inside Diameter of Inner Spring (in.)0.730 in.
Locks IncludedNo
Valve Stem Seals IncludedNo
Valve Springs CoatedNo
RemanufacturedNo
QuantitySold as a set of 16.

Compatibility

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