The Powermax R31 Rotor Arm is the perfect upgrade for your Lucas DK4 Distributor (with clockwise rotation).
This rotor arm replaces Lucas DRB105C 400052 405469 for the DK4, DK4A, DK4YA.
It's synonymous with the Austin 7, and is a best seller for these cars.
- Modern compound materials
- Improved Performance
- Improved Durability
- Lucas DK4 Distributor
Powerspark Ignition are the UK's leading supplier of classic car ignition components. Our Powerspark Electronic Ignition Kits are the ultimate classic car upgrade - a simple, fit and forget solution that replaces your points. We offer a range of upgrades including a Powermax Rotor Arm, premium Powerspark 8mm HT Leads, and matched ignition coils.
Still not sure about upgrading to electronic ignition? Read these customer reviews - you'll soon be convinced.
Upgrade your classic car with Powerspark Electronic Ignition!
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Powermax Rotor Arm
First impressions are good, but have not yet tested the service quality of the rotor arm.