Looking to increase your left rear unsprung weight? Need extra left side drive getting off the corner? AFCO now offers 1" and 1.25" thick solid steel rotors to boost left rear traction by leaving extra weight behind during dynamic weight transfer. These rotors "tip the scales" at 25.6 pounds for the 1.25" thick and 21 pounds for the 1" thick.  Solid Heavyweight Traction Brake Rotor 1.25 Inch X 11.76 Inch