Sparkrite SX5000 Triggerless Electronic Ignition Improve Performance, Starting & MPG, PLUS Limit Engine Revs. Suitable For: All negative earth Lucas 45D & 59D distributors - see full compatibility list above. Sparkrite SX5000 triggerless electronic ignition for Lucas 43D, 45D & 59D distributors. Complete with Sparkrite Sports coil for ballast & non-ballast vehicles. This unit will completely replace the points and condenser in your Lucas 43D, 45D or 59D distributor. Our unique design does not require a trigger and uses the cam of the distributor itself to trigger the ...