Holley EFI LS Coil Extension Harnesses

Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils. These 36" long ignition coil extension harnesses are perfect for anyone wanting to remote mount their ignition coils off of the valve covers in order to clean up the look of your engine bay.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