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Howards Cams Performance Valve Spring and Retainer Kits 98445-K12 Kits, Performance, Dual, Conical, 1.470 in. O.D., 399 lbs./in., 1.080 in. Coil Bind Height, 10 degree Locks, Kit

SKU: HRS98445-K12

Valve Springs

Howards Cams Performance Valve Spring and Retainer Kits 98445-K12 Kits, Performance, Dual, Conical, 1.470 in. O.D., 399 lbs./in., 1.080 in. Coil Bind Height, 10 degree Locks, Kit

SKU: HRS98445-K12

Valve Springs
A$599.96
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Valve Spring Kit - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 in OD - Locks / Chromoly Retainers - Kit


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:46:10

Data: v4.2 - Upd: 2026-11-08 05:52:37

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 hrs98445-K12
SFX Item ID 5100313
Accounting SKU hrs-98445-K12
Manufacturer SKU 98445-K12
Manufacturer UPC 840793136704
Alternative References HRC98445-K12, HRS-98445-K12

Valve Spring and Retainer Kits, Performance, Dual, Conical, 1.470 in. O.D., 399 lbs./in., 1.080 in. Coil Bind Height, 10 degree Locks, Kit

Upgrade or change your cam and lifter set with Howards Cams performance valve spring and retainer kits. They offer many configurations to tailor-make your valvetrain. Each package includes a set of Howards Cams performance valve springs plus matching retainers and heat-treated valve locks. Order these superior-quality components designed for your application to get the build you want in a complete cam kit.

Product Attributes
BrandHowards Cams
Manufacturer's Part Number98445-K12
Part TypeValve Springs
Product LineHowards Cams Performance Valve Spring and Retainer Kits
UPC840793136704
Valve Spring StyleConical
Number of Springs Per ValveDual
Maximum Valve Lift (in.)0.735 in.
Retainers IncludedYes
Retainer MaterialChromoly steel
Outside Diameter of Outer Spring (in.)1.470 in.
Coil Bind Height (in.)1.080 in.
Damper Spring IncludedNo
Spring Rate (lbs./in.)399 lbs./in.
Inside Diameter of Outer Spring (in.)1.080 in.
Inside Diameter of Inner Spring (in.)0.800 in.
Locks IncludedYes
Lock MaterialSteel
Lock Groove Quantity1-groove
Lock Style10 degree
Valve Stem Seals IncludedNo
Valve Springs CoatedNo
Valve Stem Diameter (in.)0.344 in.
Valve Stem Diameter (mm)8.74mm
RemanufacturedNo
QuantitySold as a kit.

Compatibility

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