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This set of PAC Racing Valve springs is a direct stock replacement Buick Turbo V6 Valve Spring for iron heads. The OEM units do not suffice when upgrading flat tappet camshafts, thus... We have these valve springs for those applications.
| Description | Single W/Damper Hyd Roller/Tappet |
| O.D. (in) | 1.254 |
| I.D. (in) | 0.880 |
| Spring Type | Single Std |
| Inside Spring I.D. (in) | 0.790 |
| Install Load (LB) | 110 |
| Install Height (in) | 1.700 |
| Open Load (LB) | 300 |
| Open Height (in) | 1.150 |
| Coil Bind Max (in) | 1.150 |
| Lift Max (in) | 0.500 |
| Damper | Yes |
| Rate | 422 |
