1992-1996 Optispark Distributor Vacuum Harness – LT1 / LT4
This harness assembly is designed with the correct vacuum orifice, ensuring optimal vacuum flow without risking distributor damage.
While not original equipment from the manufacturer, the harness is crafted to closely match original specifications and appearance using high-quality vacuum hoses and fittings for durability and reliable performance.
Upgrade your work or heat-damaged 1992-1996 C4 Corvette distributor vacuum harness. The check valve and filter match the original micron rating and are constructed from Viton material. Additionally, the check valve features an integral orifice to help prevent cap implosion.
| Model Year | 1992, 1993, 1994, 1995, 1996 |
|---|---|
| Base Unit of Measure | EA |
| Search Description | C4 LT-1 LT-4 OPTISPARK DISTRIBUTORS HOSES FITTINGS |
| Net Weight | 0.300000 |
| GM Item No. | 12558921 12553223 |






















