Yes, you'll need the a/c gasket, particularly if your carby is the primer type; the primer won't work if the air cleaner gasket is damaged.
Take care not to over-tighten the air cleaner base to carby bolts, as the base is easily warped.
Cheers,
Gadge
"ODK Mods can explain it to you, but they can't understand it for you..."
"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."
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