New Add Wish List Quick view Choose Options GM 10 /12 Bolt Rear End Disc Brake Conversion Kit - Full Size Car 10 / 12 Bolt Car Rear Disc Brake Conversion Kit (No E-Brake) Features: 5x4.75 & 5x4.5 Bolt Pattern 11.25" Rotors (Available Smooth Or Drilled & Slotted) Zinc Plated Caliper Brackets Loaded Calipers With Or With Out... MSRP: $425.00 Choose Options Compare