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The Throttle Body Shop TBS 10322 GM TBI 28 Psi 'Yellow' Fuel Pressure Spring is a high-performance replacement designed to enhance fuel pressure in various GM TBI motors from 1986-95. This spring increases stock fuel pressure significantly, making it ideal for modified engines. Its color-coded design allows for easy identification, and it requires a compatible fuel pump upgrade for maximum efficiency.
| Manufacturer | Throttle Body Shop |
| Brand | Throttle Body Shop |
| Package Dimensions | 4 x 4 x 0.75 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TBS-10322 |
