Product Information
- 11" Drilled and Slotted Rotors
- Large Single Bore GM Calipers w/ Pads
- 1" Bore Dual Bail Cast Iron Master Cylinder
- 8" Dual Zinc Booster w/ Firewall Brackets
- Fits 1955-58 GM Full Size (Impala, Bel Air, Biscayne) using 15" or larger wheels and will increase track width by 1-3/4" (7/8" per side)