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COMP Cams Engine Valve Spring Kit

Part # 999-16

Description

Dual Valve Springs from COMP Cams are manufactured from H11 material and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter 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 ASINB00062Z2BY
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 Height1.09 in
Compatible .570" Guide Diameter Spring Seats4781-16
Compatible .630" Guide Diameter Spring Seats4782-16
Compatible Retainer732-16
Compatible Shims4757
Compatible Spring Cup (O.D. Locator)4700-16
DamperYes
Inner Spring Inside Diameter0.712 in
Number of Springs2
Outer Spring Inside Diameter1.094 in
Outer Spring Outside Diameter1.551 in
Seat Height1.9 in
Seat Pressure215 PSI
Spring Rate633
UPC / GTIN00036584280132