Disc Rotor: Rear 82-92 Slotted (Pr)Supplied as A PAIR CHOOSE YEAR NEEDED Standard OD is 10. 5 inch 266mm its for Standard size rear disc brakes. If your trying or wanting to increase your braking performance then these performance Slotted Disc Rotors will improve stopping Gripping power over standard discs. Each is Directional.. Choose Quantity of ONE you get a pair. The Minimum thickness is 24mm. Delivery is not included on disc rotors due to dead weight and heavy protected packaging,