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Includes diaphragm assembly, pressure spring and rebuild instructions.
Specifications:
| Brand | Holley |
| Category | Air and Fuel Delivery |
| Component Type | Regulator Rebuild Kit |
| Emission Code | 5 |
| 3390 | Performance |
| 10 | Rubber and Steel |
| 30 | No |
| 8137 | No |
| part type | Fuel Pressure Regulator Service Kit |
| Product Type | Regulator Rebuild Kit |
| 9030 | Yes |
| 74 | Coil |
| Sub Category | Service Kits |
| 3145 | Specific |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Description_INV | 12-879 & 12-880 REGULATOR REBUILD KIT |
| Description_DES | Regulator Rebuild Kit |
| Description_EXT | Fits 12-879 and 12-880 Fuel Pressure Regulators |
| Description_MKT | Regulator Rebuild Kit for 12-879 and 12-880 Billet Regulator. |
| Description_MKT | Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new. |
| Description_MKT | Includes diaphragm assembly, pressure spring and rebuild instructions. |
| Description_FAB | Fuel Pressure regulator rebuild kit for Holley 12-879 and 12-880 regulator |
| Description_FAB | Includes diaphragm and spring |