Please note:
The positive-earth version of this distributor is not compatible with cars fitted with electronic rev-counters. While the ignition will function correctly, the rev-counter may not operate reliably.

This Distributor 25D4 Distributor with a choice of polarity and cap types fits a range of British Classics , comes with the standard offset keyway drive and anti-clockwise rotation, looked at from above 

All BMC A and B series engines , Mini , morris 
Reliant , MGB
Land Rover 
Triumph 4 cyl engines 

Upgrade your classic car's ignition system with the AccuSpark 25D Electronic Distributors. Designed as a direct replacement for Lucas 25D distributors, this unit offers enhanced reliability and performance. The electronic ignition system eliminates the need for traditional contact points, reducing maintenance and ensuring consistent engine timing. Compatible with standard Lucas 25D caps and rotor arms, it seamlessly integrates into your existing setup. Experience improved starting, smoother idling, and better fuel efficiency with this modern upgrade for your classic vehicle.