Complete Front Brake Kit: Includes two Speedway Motors Mustang II disc brake rotors and one bearing-seal kit to service both front wheels, Vented Rotor Design: Stock-style vented 9-1/4-inch rotors improve heat dissipation and are designed for 1974–1980 Mustang II, Pinto, and Bobcat spindles, 5-Lug Bolt Pattern: Features a 5 on 4-1/2-inch bolt pattern with pre-installed 1/2-inch fine-thread wheel studs for easy wheel installation, Bearing & Seal Package: Bearing kit includes two inner bearings, two outer bearings, and two inner grease seals for a complete rotor install, New Replacement Components: Ideal for fresh rebuilds using new rotors; bearing races are already installed in the rotors for straightforward assembly.