Holley EFI Vacuum Manifold - Twelve 1/8 NPT Ports - Two 6 AN ORB - Black 103-101-009-1375 but the degree of accuracy

but the degree of accuracy is dependent upon the tool

Made of premium lightweight aluminum

NASCAR LARGE PORE Use ATL SF112 Large Pore Foam for Ultra-Quick Refueling and Fuel-Slosh Prevention

Ideal for mild street or hobby stock racing

Holley EFI Vacuum Manifold - Twelve 1/8 NPT Ports - Two 6 AN ORB - Black 103-101-009-1375 but the degree of accuracy12 independent 1 8 NPT ports 2 6 ORB Ports Improve engine bay organization by mounting transducers and or vacuum lines all in one easy to reach location Ideal for engines that require multiple vacuum boost reference sources 4 mounting holes designed for the use of 5 16" socket head cap hardware for secure and robust mounting Crafted from 6061 Aluminum Anodized black for durability and laser etched with the Holley EFI logo Product Description: NPT