{"product_id":"powerstop-ar8258-disc-brake-rotor","title":"PowerStop AR8258 Disc Brake Rotor - Rear","description":"\u003ch2\u003ePower Stop Rear OE Stock Replacement Brake Rotor Overview\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear OE Stock Replacement Brake Rotor AR8258 is engineered to meet the exact specifications of your vehicle's original equipment. Designed for rear disc brake systems, this solid rotor provides reliable stopping power for select Buick, Chevrolet, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: AR8258\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor design\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 278.00 mm (10.90 inches)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 11.40 mm (0.45 inches)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 9.00 mm (0.35 inches)\u003c\/li\u003e\n\u003cli\u003eOverall height: 51.40 mm (2.00 inches)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 117.00 mm (4.60 inches)\u003c\/li\u003e\n\u003cli\u003e5 stud\/lug hole quantity\u003c\/li\u003e\n\u003cli\u003eNo rust resistant coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Power Stop rear disc brake rotor is a solid type rotor designed to replace the original equipment on compatible vehicles. With an outside diameter of 278 mm and a nominal thickness of 11.40 mm, it ensures proper fit and function for rear brake applications. The discard thickness of 9.00 mm indicates the minimum safe thickness before replacement is necessary, helping maintain braking performance and safety. The rotor features a 5-lug hole pattern with a mounting bolt hole circle diameter of 117 mm, matching the OE specifications for a secure fit. Note that this rotor does not include a rust resistant coating, so proper maintenance is recommended to prevent corrosion over time.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis rotor is compatible with a range of Buick, Chevrolet, Oldsmobile, and Pontiac models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Century, Regal, Silhouette\u003c\/li\u003e\n\u003cli\u003eChevrolet Impala, Monte Carlo, Montana\u003c\/li\u003e\n\u003cli\u003eOldsmobile Alero, Intrigue\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Am, Grand Prix\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed specifically for rear disc brake systems on these vehicles, ensuring proper fitment and braking performance.\u003c\/p\u003e\u003ch2\u003ePower Stop - Rear OE Stock Replacement Brake Rotor Product Line\u003c\/h2\u003e\u003cp\u003eThe Power Stop - Rear OE Stock Replacement Brake Rotor line focuses on providing direct replacement rotors that meet original equipment specifications. This product line is intended for customers seeking reliable, OE-quality parts without additional coatings or modifications. The AR8258 rotor maintains the factory dimensions and design, making it suitable for restoring braking performance to factory standards on compatible rear disc brake systems.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or warped rear brake rotors causing vibration or noise\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency due to rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eUneven brake pad wear linked to rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eBrake pulsation during stopping\u003c\/li\u003e\n\u003cli\u003eCorrosion-related rotor damage (requires maintenance due to lack of rust coating)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (9.00 mm) before installation\u003c\/li\u003e\n\u003cli\u003eClean rotor surface to remove any protective oils or debris prior to mounting\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle make and model to confirm fitment\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware during rotor replacement for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003ePower Stop manufactures this rotor to meet or exceed original equipment standards for fit and function. While this rotor does not include a rust resistant coating, it is constructed from quality materials designed for durability under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"PowerStop","offers":[{"title":"Default Title","offer_id":43590176604341,"sku":"BHKQ-AR8258","price":53.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/P8_AR8258_Fro.jpg?v=1774635225","url":"https:\/\/www.partcatalog.com\/products\/powerstop-ar8258-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}