The Holley EFI Vacuum Manifold is an excellent vacuum or boost reference source. 2018-ford-f-350-super-duty-esi7818551 Fitting - Adapter - Straight

Fitting - Adapter - Straight - 8 AN Male to 3/4 in NPT Male - Steel - Zinc Plated - Each

Timing Chain Set - Heavy Duty - Single Roller - Steel - GM V6 - Kit

UScar to Sumitomo PnP Adapter

Fitting - Water Pump - Straight - 12 AN Male O-Ring to 1-3/4 in Hose Barb - Aluminum - Black Anodized - Meziere Water Pumps - Each

125 in Holes - Stainless Hardware - Aluminum - Black Anodized - Each

The Holley EFI Vacuum Manifold is an excellent vacuum or boost reference source. 2018-ford-f-350-super-duty-esi7818551 Fitting - Adapter - StraightThe Holley EFI Vacuum Manifold kit is designed for those of you wanting a simple and clean solution for plumbing either vacuum or boost referenced sources. This manifold block features 12 1 8th NPT ports that can be plumbed with most common EFI transducers such as the Holley 554 102 0 100 psi transducer. It also features 2x 6 O ring boss AN Ports, ensuring your manifold block has an excellent vacuum or boost reference source. Improve your engine bay