ACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help stop the vehicle. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

• Cross drilled for quick brake response and heat dissipation
• Black coating on hat and vanes
• Quality validated for proper metallurgy and correct brake plate thickness
• Tighter tolerances similar to GM OE specifications
• Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
• Premium aftermarket replacement part
• Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

ABS Tone Ring Included:	No
Bolt Circle Diameter (in):	4.7
Bolt Circle Diameter (mm):	120
Bolt Hole Quantity:	5
Center Bore Diameter (in):	2.7in
Center Bore Diameter (mm):	67.4mm
Center Hole Diameter:	2.653
Center Hole Diameter:	67.4
Construction:	Full Cast
Conventional Or Drum-In-Hat Type Rotor:	Conventional
Disc Finish:	Turned
Discard Thickness:	1.181
Discard Thickness:	30
Grade Type:	Regular
Hat Finish:	Turned
Height (in):	1.9
Height (mm):	49.5
Inside Diameter:	223.9
Inside Diameter:	8.814
Length (in):	13
Material:	Cast Iron
Mounting Bolt Hole Circle Diameter:	120
Mounting Bolt Hole Circle Diameter:	4.724
Mounting Bolt Hole Diameter:	0.64
Mounting Bolt Hole Diameter:	16.25
Mounting Bolt Hole Quantity:	5
Nominal Thickness:	1.261
Nominal Thickness:	32.05
Outside Diameter:	13.978
Outside Diameter:	355.05
Overall Height:	1.958
Overall Height:	49.75
Overall Rotor Diameter (mm):	355.09mm
Pad Contact Surface Width:	2.6
Pad Contact Surface Width:	65.5
Programming Required:	No
Rust Resistant Coating:	Yes
Slotted:	No
Solid Or Vented Type Rotor:	Vented
Stud/Lug Hole Quantity:	5
Surface Type:	Smooth
Weight (lb):	26.6
Width (in):	13

• 2009 Pontiac G8 | Position: Front
• 2010-2015 Chevrolet Camaro | Position: Front
• 2012-2013 Buick Regal | Position: Front
• 2014-2017 Chevrolet SS | Position: Front