COMP Cams 26527-1 - 0.700in Max Lift Dual Valve Spring for GM LS7/LT1/LT4
.700" Max Lift Dual Valve Spring for GM LS7, LT1 & LT4 Engines
1.900" Installed Height
1 Spring
Compatible Shims: 4753
Outer Spring Outside Diameter: 1.301
Spring Rate: 427
Open Load: 458
Seat Pressure: 159
Installed Height: 1.9
Coil Bind Height: 1.15
Inner Spring Inside Diameter: 0.646
Outer Spring Inside Diameter: 0.924
Amazon ASIN: B07MK8RZF9
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
Compatible .520" Guide Diameter Spring Seat: 4695-1
Spring Style: Dual
Valve Spring Series: Dual
Damper: No
Compatible Retainer: 779-1
Compatible Spring Cup (O.D. Locator): 4709-1
Compatible .570" Guide Diameter Spring Seat: 4682-1