Doing some upgrades to the 91 300zx braking system soon . Will post pics before & After soon !! Full race formulated track pads front & rear . Cross drilled & slotted rotors front and rear. Will also completely flush brake fluid and add fresh Dot 4 synthetic brake fluid. Hit a huge pothole few months ago and it bent 2 of my brand new 18" wheels. Forced to buy entire new set because these rims are discontinued. Probably due to being a weak alloy design .