K-Tech, drilled brake rotor stainless steel 8 1/2 inch

Rear Right. Drilled.
3.25" Bolt Circle Diameter, hole to hole distance 48.6mm. 3/8" counter bored mount holes. 56.3mm ID.
Mount style 'B'.
Machined from billet stainless steel with a center carrier of 7075 billet aluminum in a polished finish.
Note: 8-1/2" diameter brake rotors are designed for custom applications. They will not provide the brake efficiency of a stock 11-1/2" diameter brake rotor. All K-Tech 8-1/2" rotors are designed to work with K-Tech 2 and 4-piston calipers or PM 2-p calipers only.
Note: Will physically fit both Big Twin (right side mounted) and XL Sportster (left side mounted) models but come in a right & left style for correct matching optical fitment.