ACDelco GM Original Equipment Disc Brake Rotors are metal discs mounted to the wheel hub where the caliper can press the brake pads against the disc surfaces to slow the vehicle, and are GM-recommended replacements for your vehicle's original components. These disc brake rotors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

• Inspected for balance, resulting in smooth brake operation and noise reduction
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

ABS Tone Ring Included:	No
Bolt Circle Diameter (in):	4.74
Bolt Circle Diameter (mm):	120.6
Bolt Hole Quantity:	5
Center Hole Diameter:	2.7
Center Hole Diameter:	69
Construction:	Full Cast
Discard Thickness:	1.192
Discard Thickness:	30.3
Grade Type:	Performance
Hat Finish:	Painted
Lug Quantity:	5
Material:	Cast Iron
Mounting Bolt Hole Circle Diameter:	120.65
Mounting Bolt Hole Circle Diameter:	4.75
Nominal Thickness:	1.259
Nominal Thickness:	32
Outside Diameter:	12.6
Outside Diameter:	321.8
Pad Contact Surface Width:	2.1
Pad Contact Surface Width:	54.5
Programming Required:	No
Rust Resistant Coating:	Yes
Slotted:	No
Solid Or Vented Type Rotor:	Vented
Surface Type:	X Drilled

• 2005-2008 Pontiac Grand Prix | Position: Front