10-4... got an interesting response from Paul Cangialosi at 5speeds.com "Hurst shifters never used the rubber grommets, it was always vulcanized on the factory GM pieces or metal to metal. " I must still have the factory original... leaving them alone because they're still solid... THX for the comment, Bob!
'68 400HO Coupe, 4 spd, 259 interior, Windward Blue. My other car's a Johnson 15 outboard on a '61 Starcraft rowboat... Just sayin'.