Compatible with AMC Jeep 232-258 6-cylinder. Under the high quality terminal cap of each distributor is MSD's race proven magnetic pick-up.; There is a big following of AMC enthusiasts that are cruising a 401 equipped Javelin or trailblazing in a rock crawling Jeep with a 4.0L inline 6-cylinder! MSD offers two Pro-Billet Distributors to deliver accurate reluctor signals and are maintenance-free! This pick-up never requires adjustment and simply plugs right into an MSD Ignition Control. Just above it and under our strong race rotor is an adjustable mechanical advance assembly.