YJ258 – TBI KIT: 1987-91 YJ Wrangler Offroad

escription

Part # YJ258

Converts L-6 Jeep engine to EFI by adapting 4.3L GM V-6 components and in-line electric fuel pump. TBI adapts directly to Jeep 2 barrel carb inlet manifold. Most old emmission plumbing is eliminated. Improves drivability and fuel economy. For emission legal version of kit order part # CAYJ258. GM ECM replaces Jeep ECM under dash. High pressure fuel pump must be installed in main fuel line from tank, and bypass fuel returned to the tank. Harness includes diagnostic connector, and diagnostic is similar to 1986-92 GM pickup truck.