COMP Cams - 951-16
Valve Spring - Race Extreme - Dual Spring - 640 lb/in Spring Rate - 1.100 in Coil Bind - 1.635 in OD - Set of 16
Engine Valve Spring Kit
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.
Damper: No
Inner Spring Inside Diameter: 0.836
Number of Springs: 2
Outer Spring Inside Diameter: 1.161
Outer Spring Outside Diameter: 1.635
Seat Height: 1.95
Seat Pressure: 230
Spring Rate: 640
Valve Spring Series: Race Extreme
Amazon ASIN: B00062YHBK
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: 1.1
Compatible .570" Guide Diameter Spring Seats: 4714-16
Compatible Retainer: 736-16
Compatible Shims: 4756
Compatible Spring Cup (O.D. Locator): 4702-16