I have weights for some BBK's when I was researching them. I lost the wilwood specs but they were the lightest I found.
Stock Akebono:
Front caliper: 11lbs
Front rotor: 29lbs
Rear caliper: 6lbs
Rear rotor: NA
Alliance BBK:
8 piston caliper: 6.50lbs
6 piston caliper: 5.95lbs
14" rear rotor: 21.75lbs
15" front rotor: 21.00lbs
AP Racing:
Front 6 piston caliper: 7.3 lbs
Rotor weight, assembled: 20.3 lbs
Rear 4 piston caliper: 4.7 lbs
Rotor weight, assembled: 22.8 lbs
Stoptech BBK:
Front 6 piston Calipers: 8.5lbs
Front 380x32mm rotors with hats mounted: 21lbs
Rear 4 piston calipers: 8lbs
Rear 355x32mm rotors with hats mounted: 19lbs
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