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COMP Cams Race Extreme 1.635" OD Dual Springs; 1.950" Installed Height; 16 Springs

Part # 951-16

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.

Specifications

Amazon ASINB00062YHBK
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 Height1.1 in
Compatible .570" Guide Diameter Spring Seats4714-16
Compatible Retainer736-16
Compatible Shims4756
Compatible Spring Cup (O.D. Locator)4702-16
DamperNo
Inner Spring Inside Diameter0.836 in
Number of Springs2
Outer Spring Inside Diameter1.161 in
Outer Spring Outside Diameter1.635 in
Seat Height1.95 in
Seat Pressure230 PSI
Spring Rate640
Valve Spring SeriesRace Extreme
UPC / GTIN00036584280552