Holley EFI Pro-Billet Ignition Adapter

Description

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.

Features

• Base Plenum Top Mounting Flange Height ‚Äì 8.42‚Äù to the lifter valley cover flange on engine block.
• Total Height with 92/105mm EFI Plenum Top ‚Äì 12.32‚Äù to the lifter valley cover flange on engine block.
• Runner Length ‚Äì 6.58‚Äù, As-Cast Runner Cross-Sectional Area ‚Äì Tapered 4.25 in¬≤ to 2.53 in¬≤
• Throttle Body Flange Location, with 102mm EFI Plenum Top : Height ‚Äì 8.42‚Äù (from engine block lifter valley cover flange), Longitudinal Location ‚Äì 3.84‚Äù (forward from engine block front flange), Angle ‚Äì 25 deg. (down from vertical)
• Plenum Top Gasket Type ‚Äì 3/32‚Äù Round O-ring Cord
• Mounting Flange Gasket Type ‚Äì Standard LS3 Molded O-Ring
• Port Size ‚Äì 2.49‚Äù Height x 1.21‚Äù Wide