• GM Metric Modified Racing Rotor - OEM Replacement
• Iron 32 vane, 1-piece plain face
• 5/8” coarse wheel studs installed in 5 on 5 bolt pattern
• Diameter: 10.50”
• Thickness: 1.00”
• Increased length 3.14" long wheel studs to simplify wheel spacing
• Fits: 1979-88 GM spindles with OE 10.50" rotors
• Far Side I.D.: 8.87"