Holley EFI Fuel Rail Adapter Fitting -6AN to GM Quick-Connect

Required when directly connecting Holley fuel rails to GM factory fuel line quick-connect. Includes (1) 3/4-16 O-ring port plug and (1) -6 to GM quick connect adapter.FeaturesModular Design w/ Removable TopOverall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See DrawingA-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See DrawingHeight at Plenum Flange: 9.44”Port Size: 2.06” High x 1.53” WideRunner Length: Approx. 6.5”Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)Available With or Without Injector Ports in the RunnersIntakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each EndRear of Plenum Machined for MAP & 3 Vacuum PortsHead Flange has Clearance for Fuel Supply to High Pressure PumpIncreased Runner Wall...