MSD Ultimate HEI Kit

MSD Ultimate HEI Kit

The MSD Ultimate HEI Kit provides everything you need to transform an early model GM HEI distributor into a high-performance system. By matching the coil specifications precisely with the high-output module, this kit maximizes spark output, timing accuracy, and dwell control for reliable high-RPM performance.

Key Features

• HEAT Digital 4-pin module delivers 50% higher coil drive currents than stock modules
• High-voltage in-cap ignition coil puts out 42,000 volts for full power at high RPM
• Built-in externally adjustable rev limiter requires no cap removal to adjust
• Complete performance kit includes a brass terminal cap, rotor, module, coil, and dust cover

Fitment

• Early model GM HEI non-computer controlled (4-Pin) distributors

Note: Designed strictly for standard non-computerized 4-pin GM HEI distributor housings; verify original ignition setup type before installation.