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COMP Cams Engine Valve Spring

Part # 959-1SKU COM959-1

Universal fit

Specifications
BrandCOMP Cams
Part typeEngine Valve Spring
Amazon ASINB00062Z9OO
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 ReasonNo impact on pollution output of vehicle.
Coil Bind Height1.13 in
Compatible .570" Guide Diameter Spring Seat4786-1
Compatible Retainer739-1
Compatible Shims4786
Compatible Spring Cup (O.D. Locator)4702-1
DamperNo
Inner Spring Inside Diameter0.859 in
Number of Springs2
Outer Spring Inside Diameter1.186 in
Outer Spring Outside Diameter1.66 in
Seat Height2 in
Seat Pressure236 PSI
Spring Rate580
UPC / GTIN00036584016076

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.