- Fittings & Hose
- Vacuum Hose & Fitings
- Holley EFI Vacuum Manifold Block
A Simplified Source for Vacuum or Boost Reference
Holley's EFI Vacuum Manifold Block provides a clean#, simple solution for EFI applications needing multiple vacuums or boosts referencing. This block features (12) NPT ports that locate all pressure sources into one easy-access location#, organizing the engine bay. Constructed from durable 6061 aluminum for exceptional appearance and lasting reliability.