[Perfect Fitment-1]: Compatible with Chevrolet Malibu 2013-2016 (Models With 12.64 inch (321mm) Front Rotors and Vented Rear Discs), Malibu Limited 2016 (Models With 12.64 inch (321mm) Front Rotors and Vented Rear Discs), Camaro 2010-2015 (V6 LS And LT Models ONLY), Equinox 2010-2017, Impala 2014-2016 (New Body Style Models), Impala 2017-2020 (LS, LT, And Premier Models ONLY); Compatible with GMC Terrain 2010-2017---Front Left and Right, Driver and Passenger Side [Perfect Fitment-2]: Compatible with Buick Allure 2010, Lacrosse 2010-2016 (2011 & 2015 Models With 12.64 inch (321mm);Front Rotors, or 17" Wheels ONLY), Regal 2011-2016 (Models With 12.64 inch (321mm) Front Rotors and Vented Rear Discs (Will NOT Fit Brembo Models)), Regal 2017 (Models With Single Piston Front Calipers and With 12.64 inch (321mm) Front Rotors ONLY); Compatible with Saab 9-5 2011 (Models With 12.64 inch (321mm) Front Rotors ONLY)---Front Left and Right, Driver and Passenger Side [Reference Number]: The A-Premium Vented Disc Brake Rotors and Brake Pads' reference number: S-55174, 12162120, 121.62120, 32062120, 320.62120, BR900748, S55174 [Specification]: Mounting Bolt Hole Quantity: 5; Outside Diameter (MM): 321; G3000 metallurgy and metallic coating of brake discs can effectively prevent rust and corrosion, extending the lifespan. Industry low runout and DTV specifications enable smooth disc operation, low dust, noise reduction, and excellent braking power. [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted drilled and slotted disc brake rotors. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind. A-premium Drilled & Slotted Brake Rotors are an ideal choice to replace your Drilled & Slotted Brake Rotors. All Drilled & Slotted Brake Rotors meet or exceed OEM specifications Due to high manufacturing standard, it will come with one year quality guarantee

Compatible with Chevrolet Models:
2013-2016 Malibu
2016-2016 Malibu Limited
2010-2015 Camaro LS & LT Models
2010-2017 Equinox
2014-2016 Impala
2017-2020 Impala

Compatible with Buick Models:
2010-2010 Allure
2010-2010 LaCrosse
2011-2011 LaCrosse 17 inch Wheels
2012-2014 LaCrosse
2015-2015 LaCrosse 17 inch Wheels
2016-2016 LaCrosse
2011-2016 Regal
2017-2017 Regal with Single Piston Front Calipers

Compatible with GMC Models:
2010-2017 Terrain

Compatible with Saab Models:
2011-2011 9-5

Specifications:
Rotor Material: Cast Iron
Rotor Outside Diameter (mm): 321
Number of Studs: 5
Solid or Vented Type Rotor: Vented

OEM Number: S-55174, S55174, 12162120, 121.62120, 32062120, 320.62120, BR900748
Location: Front Left and Right (Driver and Passenger Side)
Quantity Sold: A Set of Two Pieces
Note: It comes with 12.64 inch (321mm) Outside Diameter and fits the models with 5-Lug Only.