COMP Cams 948-1 Race Extreme 1.660" OD Triple Spring, 2.100" Installed Height, 1 Spring
948-1 Race Extreme 1.660" OD Triple Spring, 2.100" Installed Height, 1 Spring
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SKU:CO948-1
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Product Information
Engine Valve Spring

Product Information
Engine Valve SpringTechnical Information
Features +
Genuine performance part backed by Engine Master Australia.
Specifications +
- Manufacturer
- COMP Cams
- MPN
- Not provided
- UPC
- 036584280378
- Our Part Number
- CO948-1
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Coil Bind Height: 1.13
Compatible .570" Guide Diameter Spring Seats: 4786-1
Compatible Retainer: 739-1
Compatible Shims: 4756
Compatible Spring Cup (O.D. Locator): 4708-1
Damper: No
Inner Spring Inside Diameter: 0.863/0.627
Number of Springs: 3
Outer Spring Inside Diameter: 1.196
Outer Spring Outside Diameter: 1.66
Seat Height: 2.1
Seat Pressure: 332
Spring Rate: 687
Valve Spring Series: Race Extreme
Amazon ASIN: B00062YH8I
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. 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 California Certified Vehicles Manufactured Before 1965?: 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. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A
Coil Bind Height: 1.13
Compatible .570" Guide Diameter Spring Seats: 4786-1
Compatible Retainer: 739-1
Compatible Shims: 4756
Compatible Spring Cup (O.D. Locator): 4708-1
Damper: No
Inner Spring Inside Diameter: 0.863/0.627
Number of Springs: 3
Outer Spring Inside Diameter: 1.196
Outer Spring Outside Diameter: 1.66
Seat Height: 2.1
Seat Pressure: 332
Spring Rate: 687
Valve Spring Series: Race Extreme
Amazon ASIN: B00062YH8I
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. 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 California Certified Vehicles Manufactured Before 1965?: 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. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A
Fitment +
Confirm compatibility with our team before ordering when your application is not listed.
Brand +
COMP Cams
COMP Cams develops performance camshafts and coordinated valvetrain components for a broad range of engine platforms. The range includes camshafts, lifters, valve springs, rocker systems, timing components and matched kits for street and competition builds.