M42/M44 Adapter for E21
These Plug-and-Play wiring solutions will make your engine conversion a breeze.
These wiring kits use all new components. All crimp terminals and connectors are new. These kits are made with high temperature automotive grade wiring that resist oils, grease, and acids.
Continuity tested on every wire during construction. Wrapped in high temperature expandable nylon sheathing to resist abrasion.
Instruction sheets are included with every harness kit.
These adapters include the following:
- Cluster coolant temperature wiring
- Engine speed signal
- Oil pressure signal
OPTIONAL: Check engine light with bulb
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