*Compatible With All Corvette V8 Engines with Tach Drive

*12 Volt External Coil Required

*HEI Style Plug Wires Required

When replacing your ignition system, trust in QDL HEI distributors. With all in one construction and simple 1-wire hook up. Installation is a breeze for any DYI weekend or professional mechanic. All distributors are carefully assembled using only the highest quality parts available. For a long-lasting dependable ignition system for street and track use. All QDL HEI ignition distributors feature CNC machined aluminum housings for an exact OEM fit with corrosion free durability. Other features include hardened steel shaft, precision upper and lower bushings, welded weight pins, premium grade 4-pin module, high output 65k ignition coil, adjustable vacuum and mechanical (bushing not included) advance, brass terminals, and direct replacement drive gear. Ready for installation straight out of the box. Comes complete with HEI pigtail, gasket or O-ring, vacuum adjustment tool, and detailed instruction guide for a simple plug and play installation.