1977 - 1973 CHEVROLET, GMC 450, 4000, 4500 Series, 5000 Series - Front Drums, 550, 5500 Series, 60, 600, 6000 Series - Front Drums, 65 Series, B6P042 School Bus - Disc Brakes, B6P042 School Bus - Front Drum Brakes, B6P042 School Bus - Front Rotors Brakes, C50 C5D042 - Front Drum Br

• 100% New Carbon Steel Dipped With High Temp Anti-Rust Corrosion Black Paint
• Field And Lab Tested To Ensure Reliability And Long-Lasting Performance
• Glue Lining & Treatment To Ensure Friction Material To Steel Bonding
• Precision Arc Grinded For Perfect Shoe-To-Drum Fitment
• Bonded Or Riveted Per Oe Specifications
• Semi-Metallic