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Specifications:
| 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. |
| Amazon ASIN | B000CIUBIQ |
| Valve Spring Series | Performance Street |
| Compatible .570" Guide Diameter Spring Seats | 4705-16 |
| C.A.R.B. E.O. Number | N/A |
| 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. |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Outer Bottom Spring Outside Diameter | 1.31 |
| Title | Performance Street 1.310" OD Beehive Spring; 1.800" Installed Height; 16 Springs |
| Spring Rate | 372 |
| Seat Pressure | 125 |
| Seat Height | 1.8 |
| Outer Top Spring Outside Diameter | 1.075 |
| Outer Top Spring Inside Diameter | 0.65 |
| Outer Bottom Spring Inside Diameter | 0.885 |
| Coil Bind Height | 1.140 |
| Number of Springs | 1 |
| Damper | No |
| Compatible Spring Cup (O.D. Locator) | 4709-16 |
| Compatible Shims | 4753 |
| Compatible Retainer | 795-16 |
| Description_SHO | Engine Valve Spring |
| Description_INV | Perf Street 1.310" Springs 1.80" Inst Ht |
| Description_ASC | Available individually under 26918-1. |
| Description_KSW | Valve Springs |
| Description_KSW | Dual Valve Springs |
| Description_KSW | Single Valve Springs |
| Description_KSW | Beehive Springs |
| Description_KSW | Conical Springs |
| Description_KSW | Valve Lift |
| Description_KSW | Max Lift |
| Description_KSW | Spring Kit |
| Description_DES | Performance Street 1.310" OD Beehive Spring |
| Description_DES | 1.800" Installed Height |
| Description_DES | 16 Springs |
| Description_EXT | Ideal for performance street hydraulic flat and roller cams |
| Description_EXT | these 16 beehive springs offer more stability for high RPM potential |
| Description_EXT | longer life and more power. Beehive design reduces spring weight while eliminating damaging harmonics. |
| Description_DEF | Engine Valve Spring Kit |