The Wilwood GT48 rotor, left-hand unit, is sized at about 11.75 x 1.25 inches and fits an 8 on 7.05-inch bolt pattern. Specified for applications requiring this rotor diameter and thickness, the left-hand rotor is intended to match corresponding right-hand components for paired installation, providing the necessary dimensional fit for brake systems that use this bolt pattern and rotor sizing.
Wilwood Rotor-GT48 SPC-37-LH 11.75 x 1.25 - 8 on 7.05in