COMP Cams - 947-16
Valve Spring - Triple Spring - 681 lb/in Spring Rate - 1.145 in Coil Bind - 1.660 in OD - Set of 16
Engine Valve Spring Kit
Coil Bind Height: 1.145
Compatible .570" Guide Diameter Spring Seats: 4786-16
Compatible Retainer: 739-16
Compatible Shims: 4756
Compatible Spring Cup (O.D. Locator): 4708-16
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: 2.05
Seat Pressure: 304
Spring Rate: 681
Valve Spring Series: Race Extreme
Amazon ASIN: B00062Y9X6
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
