Upgrade your classic 1977 Buick Fullsize or Riviera with the top-of-the-line Wire Harnesses and Lead Wires from Lectric Limited. Designed specifically for the 350 (J code) C.I. engine, this terminal block and distributor module to coil harness not only provides seamless connectivity but also enhances the reliability of your ignition system. Unlike alternatives, our product maintains a factory-fresh appearance with a direct replacement for the original style, ensuring your vintage vehicle looks and performs exquisitely.