Holley EFI Pro-Billet Ignition Adapter

Adapter MSD Pro-Billet Distributors to Holley EFI Main Harnesses, for use with Terminator X EFI.
Designed to plug and play with MSD Pro-Billet distributors and Holley EFI main harnesses with an ignition connector, such as part number 558-104.FeaturesBase Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.Total Height with 92/105mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²Throttle Body Flange Location, with 102mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)Plenum Top Gasket Type – 3/32” Round O-ring CordMounting Flange Gasket Type – Standard LS3 Molded O-RingPort Size – 2.49” Height x 1.21” Wide