I don’t have an exact weight but the Tesla calipers are quite light. Also, at some point, Brembo started making the calipers from composite, which is even lighter than the earlier aluminum versions. Keep in mind, these calipers were designed to be used on a 4,900 lb sedan, so they are overkill on a Pantera. Wilwood is also making electric PB calipers but unfortunately, they are not any more compact than the Tesla/Brembo units.
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