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COMP Cams Valve Spring For 972-974

SKU: CCA978-1

Valve Springs

CCA Valve Springs...

COMP Cams Valve Spring For 972-974

SKU: CCA978-1

Valve Springs

CCA Valve Springs...

A$64.96
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today's engine builders and racers.

Product Overview

Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today’s engine builders and racers.

Product Details

Amazon ASIN:B00062YRCY
C.A.R.B. E.O. Number:N/A
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.
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.
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Camshaft Type:Mechanical
Coil Bind Height(in):1.195
Coil Bind Height:1.195
Compatible .570" Guide Diameter Spring Seat:4770-1
Compatible Retainer:740-1
Compatible Shims:4755
Compatible Spring Cup (O.D. Locator):4704-1
Damper:Yes
Description:Engine Valve Spring
Inner Spring Inside Diameter:0.697
Inside Diameter(in):0.697
Installed Height(in):1.85
Installed Pressure(lbs):126
Number of Springs:2
Open Height(in):1.25
Open Pressure(lbs):368
Outer Spring Inside Diameter:1.06
Outer Spring Outside Diameter:1.46
Outside Diameter(in):1.460
Part Number:cca978-1
Position:N/A
Seat Height:1.85
Seat Pressure:127
Spring Rate(lbs/in):403
Spring Rate:403
Spring Type:Double
Title:Engine Valve Spring

Part Type

Engine Valve Spring

Data: v4.2 - Upd: 2026-10-13 17:42:48

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
978-1
Product Attributes - Part Type
Valve Springs
Product Attributes - Product Line
COMP Cams Valve Springs
Product Attributes - UPC
036584272007
Product Attributes - Valve Spring Style
Standard
Product Attributes - Number of Springs Per Valve
Dual
Product Attributes - Maximum Valve Lift (in.)
0.595 in.
Product Attributes - Retainers Included
No
Product Attributes - Outside Diameter of Outer Spring (in.)
1.460 in.
Product Attributes - Coil Bind Height (in.)
1.195 in.
Product Attributes - Damper Spring Included
Yes
Product Attributes - Spring Rate (lbs./in.)
403 lbs./in.
Product Attributes - Inside Diameter of Outer Spring (in.)
1.060 in.
Product Attributes - Inside Diameter of Inner Spring (in.)
0.697 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 individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca978-1
SFX Item ID 4122768
Supplier Item Code 4122768
Manufacturer SKU 978-1
Manufacturer UPC 36584272007

Compatibility

Application Data
  • Installed Height (in.)1.850 in.
    Seat Pressure at Installed Height (lbs.)127 lbs.
    Open Height (in.)(application)1.250
    Open Pressure (lbs.)369 lbs.

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