Speedway Motors Drilled/Slotted Rotor for 9" Rear End, 10/12 Bolt

The 5560-10RX Universal Rear Rotor is a high-performance, drilled and slotted 11" rotor designed for use with Ford 9" and GM 10/12-bolt rear ends. It features dual bolt patterns—5x4.5" (Ford) and 5x4.75" (GM)—both using 7/16" studs. Engineered for improved braking and heat dissipation, the rotor includes venting, a .050x45 degree chamfer, and a max register axle size of 2.786". It requires a minimum 15" rim and will not fit 14" wheels. With a max rotor hat diameter of 6.11", this rotor offers enhanced performance and compatibility for a variety of custom and restoration builds.

• 11" Drilled/Slotted/Vented
• Rear Rotor Drilled for GM Stud Pattern 5x4.75" w/ 7/16" Studs
• Ford Stud Pattern 5x4.5" w/ 7/16 Studs
• Maximum diameter of 6.11" to fit rotor hat
• .050x45 Degree Chamfer
• 2.786" max register axle

Fits 9" Rear End, 10/12 Bolt. Does not Fit 14" Rims Must use 15" or larger.

• 5x4.5" & 5x4.75" Bolt Pattern
• 11" Outside Diameter
• Vented
• Drilled
• Slotted