COMP Cams - 917-16
Valve Spring - Race Endurance - Dual Spring - 566 lb/in Spring Rate - 1.050 in Coil Bind - 1.565 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.
Inner Spring Inside Diameter: 0.824
Number of Springs: 2
Outer Spring Inside Diameter: 1.136
Outer Spring Outside Diameter: 1.565
Seat Height: 1.8
Seat Pressure: 200
Spring Rate: 566
Coil Bind Height: 1.05
Compatible .570" Guide Diameter Spring Seats: 4785-16
Compatible Retainer: 741-16
Compatible Shims: 4757
Compatible Spring Cup (O.D. Locator): 4700-16
Damper: No
Amazon ASIN: B00062YGZW
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