My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 972-1 Single Outer Valve Spring 1.460" OD 308 lb Rate

(Ford F-150 1975-96, Mustang 1964-95, F-250 1975-96, Bronco 1966-96, Thunderbird 1963-69, 1971-74, 1977-81, 1983-88, 1991-93, F-350 1975-96 + 314 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

972-1
7 reviews
Sale Price

$106.95

In Stock (5)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 972-1 is a high-performance single outer valve spring designed for precision engine builds requiring exact spring pressure specifications. This single spring with integrated damper features a 1.460-inch outer diameter and delivers consistent valve control for performance camshaft applications.

Key Specifications:

  • Outside Diameter: 1.460 inches
  • Inside Diameter: 1.060 inches
  • Spring Rate: 308 lbs/inch
  • Installed Height: 1.800 inches
  • Seat Pressure: 124 lbs @ 1.800 inches installed height
  • Open Pressure: 293 lbs @ 1.250 inches open height
  • Coil Bind Height: 1.195 inches
  • Maximum Lift: Approximately 0.540 inches at recommended installed height
  • Includes integrated damper spring for reduced harmonics

Performance Features:

  • Engineered for mechanical and hydraulic camshaft applications
  • Precision-manufactured from high-quality spring steel
  • Designed to maintain proper valve control at elevated RPM
  • Compatible with standard valve retainers and spring seats
  • Suitable for building custom dual-spring assemblies when paired with appropriate inner springs

COMP Cams valve springs undergo rigorous quality control and testing to ensure they meet the demanding requirements of engine builders and racers. Proper spring selection is critical for maximizing camshaft performance and preventing valve float. This spring is ideal for performance street and mild racing applications where precise spring pressure control is required.

Note: Sold individually. Always verify installed height and spring pressures match your camshaft specifications. Replace valve springs whenever installing a new performance camshaft.

Products specifications

Fits

Ford F-150 1975-96, Mustang 1964-95, F-250 1975-96, Bronco 1966-96, Thunderbird 1963-69, 1971-74, 1977-81, 1983-88, 1991-93, F-350 1975-96, Maverick 1971-77, Galaxie 500 1962-74, F-100 1975-83, F-250 Pickup 1965-95, Fairlane 1963-70 + 309 more models

Number of Springs

1

Outer Spring Inside Diameter

1.06

Coil Bind Height

1.195

Outer Spring Outside Diameter

1.46

Seat Height

1.8

Seat Pressure

124

Spring Rate

308

Compatible Spring Cup (O.D. Locator)

4704-1

Compatible Shims

4755

Compatible Retainer

744-1

Damper

Yes

AMAZON ASIN

B00062Z9YY

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

Yes

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exemption Reason

No impact on pollution output of vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Great experience. Will order again!!

Right part, great price, prompt delivery

Wanted to use PayPal, but something didn't work.

Fast and easy. Now let's see if we get the part.

its just an order, lets see how fast it gets here

Great customer service, ships fast. Will buy from again

Very good customer service asked about a lot of different springs and parts for my Mazdaspeed 3.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy