Description
Interchange Part Number：12707877 12656013 12689504
New Passenger side (Right) LTx engine fuel rail wiring harness.
Fits LT1, L83, L84, L86, L87, L8T, LT4.
Made from all new Factory GM connectors and high temp TXL wire to hold up longer than the OE harness. Covered in high temp fabric tape for heat and abrasion resistance.
Includes connections for injectors and HP Fuel Pump
