Distributor Vacuum Advance for 1977-1980 Buick Electra & More - Standard Ignition VC-217

Keep ignition timing advancing on cue with the Standard Ignition distributor vacuum advance, part number VC-217. It is a direct-fit replacement for the listed applications, including the 1975 Chevrolet Nova, 1977-1980 Buick LeSabre, 1977-1979 Oldsmobile Delta 88, 1977-1979 Pontiac Bonneville and 1979 Cadillac Seville. See the "Vehicles it fits" section for the full vehicle list and engine details.

This distributor vacuum advance control uses engine vacuum to adjust ignition timing at the distributor, so spark advance can change as engine load changes during driving.

• Serving the aftermarket since 1919: Standard Ignition focuses on high quality and broad coverage for ignition needs.
• Original equipment ignition manufacturer: As a global maker of OE ignition products, Standard maintains complete quality control across the manufacturing process, from componentry to finished product.
• Precision calibration: Each unit is calibrated for correct ignition advance.
• Leak tested: Units are tested at 30HG maximum vacuum to confirm they do not leak.

Signs a vacuum advance may need replacing include hesitation or sluggish response at part throttle, reduced fuel economy, or a unit that will not hold vacuum. Other ignition and vacuum problems can cause similar symptoms, so diagnose the cause first. If the original vacuum advance is leaking or sticking, VC-217 is designed to replace it.

Interchange: V403 · DV1847 · VC1847 · 1973505 · 1973597 · 1973677