| | GHP Part # | Description | Application | Quantity | Price |
| Dual Plane Intake Manifolds |  | | | | |
| | Edelbrock Performer Buick, Aluminum Intake Manifold, use this manifold if using OEM GS snorkel air cleaner. | Buick
400-455 | 1 | $289.95 |
| Single Plane Intake Manifolds | | | | | |
| | TA Performance SP-1, Aluminum Intake Manifold (Holley/Square Bore)
| Buick
400-455 | 1 | $359.95 |
| | | | | |
| Intake Manifold Accessories | | | | | |
| | PCV Grommet
Correct size grommet for Buick intake manifolds | Buick
V6
350
Nailhead
400-455 | 1 | $6.95 |
| | PCV Valve | Buick
V6
350
Nailhead
400-455 | 1 | $4.95 |