COMP Cams - 930-1
Race Street 1.550" OD Dual Spring; 1.900" Installed Height; 1 Spring
Engine Valve Spring
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.
Compatible Shims: 4757
Compatible Retainer: 741-1
Compatible .630" Guide Diameter Spring Seat: 4777-1
Compatible .570" Guide Diameter Spring Seat: 4776-1
Valve Spring Series: Race/Street
Amazon ASIN: B00062YH38
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
Number of Springs: 2
Spring Rate: 354
Seat Pressure: 153
Seat Height: 1.9
Outer Spring Outside Diameter: 1.55
Outer Spring Inside Diameter: 1.15
Inner Spring Inside Diameter: 0.795
Coil Bind Height: 1.16
Damper: Yes
Compatible Spring Cup (O.D. Locator): 4700-1
