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Description
4% Higher load and .030" higher lift capacity than "blue" GM LS6 springs. High-quality, small batch manufacturing and materials for premium quality and durability. Great for a mild performance Cam swap or for refreshing older heads. Upgrade for COMP Cams NSR (No Springs Required) LS Cams.
Specifications
| Amazon ASIN | B07MGNG1DY |
|---|---|
| Bottom Inside Diameter | 0.86 in |
| Bottom Outside Diameter | 1.282 in |
| 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 Federally Certified Vehicles Manufactured Before 1967? | 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. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason | No impact on pollution output of vehicle. |
| Coil Bind Height | 1.181 in |
| Compatible Chromemoly Steel Retainers | 774-16 |
| Compatible Shims | 4753 |
| Compatible Spring Seat / Seals | 528-KIT |
| Compatible Titanium Retainers | 722-16 |
| Compatible Tool Steel Retainers | 1772-16 |
| Damper | No |
| Installed Height | 1.8 in |
| Open Load | 304 lb |
| Seat Pressure | 92 lb |
| Spring Rate | 386 |
| Spring Style | Beehive |
| Top Inside Diameter | 0.655 in |
| Top Outside Diameter | 1.077 in |
| Valve Spring Series | Performance Street |
| UPC / GTIN | 00036584385790 |