70-4167 Timing Cover, Alternator Type,
beautifully polished alloy. Complete with tach drive assembly & the slotted
exhaust camshaft nut to drive it, for all alternator equipped Triumph pre-unit
twin. Machined to take seal 70-4568 instead of bushing.
70-3677 Timing Cover, Dynamo Type, as 70-4167,
but for all dynamo equipped pre-unit Triumph twins. Machined to take seal
70-4568 instead of bushing.