This is a sachet is AccuSpark Heat-sink. Sufficient to fit 2 modules.
Reliant Robin 750 850 AccuSpark Electronic Ignition for Lucas 45D + Red Rotor.
Porsche 924 1976-81 AccuSpark™ electronic ignition K16 Single PCE RH Points
Vauxhall Cavalier I , II AccuSpark™Electronic Ignition
Jaguar e-type AccuSpark Electronic ignition 22D6 / 25D6 LUCAS TYPE DISTRIBUTOR
Lucas DK4A Distributor with Bakelite base-plate AccuSpark electronic ignition
VW Van, Bus, Camper AccuSpark Electronic Ignition Kit for Bosch JFU4