Repair or modify your GM factory harnesses with this new replacement Ignition Coil wire harness. Connector Ignition Coil Wire harness Fits most applications using LT1 TPI and TBI. Fits 87-92 350 TPI Camaro/Firebird, 87-92 305 TPI Camaro/Firebird, 88-92 305 TBI Camaro/Firebird, 93-95 LT1 Camaro/Firebird.