Put sharper stopping power under your Lexus GX470 or Toyota 4Runner with the Power Stop Z36 Truck & Tow Brake Upgrade Kit K2422-36, a disc brake upgrade for SUVs that tow, haul, or go off-road. It is made to give these vehicles a stronger braking setup than the factory equipment when pulling trailers or carrying heavy loads. The kit covers the 2003 to 2009 Lexus GX470 and the 2003 to 2009 Toyota 4Runner. The 4Runner applications are for models with 338 mm (13.30 inch) front rotors, so compare your vehicle's year and front rotor size with the fitment list below before ordering. Features:• Stopping help for a loaded SUV on long grades• Firmer pedal confidence when a trailer is hitched up• Made to leave factory-level braking behind• Handles gravel roads and backcountry routes• Z36 Truck & Tow line for work and adventure• Sized for the 4Runner and GX470 platformSpecs:• Brand: Power Stop• Product Number: K2422-36• Product Type: Disc Brake Kit• Series: Z36• Application: Towing, hauling, off-road• Vehicle Type: SUVs• Model Years: 2003 to 2009• Vehicle Makes: Lexus, Toyota• Front Rotor Size (4Runner): 338 mm (13.30 inches)Fits: Fitment on the 4Runner depends on front rotor size. Confirm your configuration before ordering.2003-2009 Lexus GX4702003-2009 Toyota 4Runner, models with 338 mm (13.30 inch) front rotors Tow-day braking GX470 & 4Runner fit 338 mm rotor models | PowerStop Power Stop Z36 Brake Upgrade Kit, SLCT Lexus GX470/Toyota 4Runner