It looks like just two different style mounts and either should work as long as the bolt patterns match.

This is just my guess but it looks like the style mount on the right with the tapered sides, should the rubber delaminated, the tapered sides would contain it, avoiding a catastrophic failure.

Last edited by Phak1; 02/24/2024 1:13 PM.

Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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