Designed with stainless steel wire wound over a suppressor style conductor which offers superior performance over OE wire sets.Please check the Amazon Fitment guide for compatibility.Jeep 4.0L engineComanche 1987 to 1990Wagoneer 1987 to 1990Cherokee 1987 to 1990 Superior construction for excellent conductivity, high temperature performance, EMI/RFI noise suppression, and durability. Designed to meet or exceed OEM specifications Conductor meets SAE J2031 specifications. Custom fit and specifically manufactured for the vehicle listed. To insure high quality; the wire set is made in the USA. UPC 632346002655 Color Blue Brand Name B&B Manufacturing Unit Count 1.0 Count Manufacturer B & B Manufacturing Corporation Material Type Stainless Steel