The dual disc clutch was only used for 1969 L-71 with the MA-6 dual disc clutch option. It consisted of a special 14" flywheel, special pressure plate assembly with a special "secondary" plate, as well as two special 10" OD friction discs. Since engine assemblies were fitted with clutch assemblies at the engine plants, there had to be a particular suffix code for L-71 engines equipped with the dual disc clutch for 1969.
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