{"product_id":"perfect-stop-6620543-disc-brake-rotor-front","title":"Perfect Stop 6620543 Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Disc Brake Rotor for Cadillac and Pontiac Vehicles\u003c\/h2\u003e\u003cp\u003eThe Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6620543) is engineered to meet the braking demands of Cadillac and Pontiac models, including the Bonneville, CTS, and STS. Designed with precision, this rotor ensures consistent performance and durability for your vehicle's braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor design for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 12.717 inches (323.0 mm) for optimal fitment\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.268 inches (32.2 mm) with discard thickness at 1.209 inches (30.7 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with a bolt circle diameter of 4.528 inches (115.0 mm)\u003c\/li\u003e\n\u003cli\u003eSmooth surface type for consistent pad contact and braking efficiency\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.783 inches (70.7 mm) for precise hub alignment\u003c\/li\u003e\n\u003cli\u003eOverall height of 2.043 inches (51.9 mm) to match factory specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Gray Armor-Plate, Premium Product Line\u003c\/h2\u003e\u003cp\u003eThe Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering rotors with enhanced surface protection and durability. This product line features a specialized coating that helps resist corrosion and wear, extending the rotor's service life. The premium vented design also aids in maintaining optimal operating temperatures during braking, which is critical for vehicles like the Cadillac CTS and Pontiac Bonneville that require reliable stopping power under various driving conditions.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor is vented, allowing air to flow between the rotor surfaces to reduce heat buildup during braking. The smooth surface finish ensures even brake pad wear and consistent braking performance. With a nominal thickness of 1.268 inches (32.2 mm) and a discard thickness of 1.209 inches (30.7 mm), this rotor meets the necessary safety standards for replacement. The five mounting bolt holes and 4.528-inch bolt circle diameter provide secure attachment to the hub assembly, while the 2.783-inch center hole diameter ensures proper centering on the vehicle's axle.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement rotor for Cadillac CTS models requiring part number 6620543\u003c\/li\u003e\n\u003cli\u003eSuitable for Pontiac Bonneville brake system upgrades or repairs\u003c\/li\u003e\n\u003cli\u003eCompatible with Cadillac STS for maintaining factory braking performance\u003c\/li\u003e\n\u003cli\u003eIdeal for addressing rotor wear, scoring, or vibration issues\u003c\/li\u003e\n\u003cli\u003eUsed to restore braking efficiency and reduce noise or pulsation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt holes align correctly with the vehicle hub. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Check the rotor thickness against discard specifications to confirm suitability. Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003ePerfect Stop disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Gray Armor-Plate, Premium rotors undergo rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided, Perfect Stop products typically come with a limited warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Perfect Stop","offers":[{"title":"Default Title","offer_id":51806145216693,"sku":"FCKT-6620543","price":54.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WY_6620543_Fro.jpg?v=1774642566","url":"https:\/\/www.partcatalog.com\/products\/perfect-stop-6620543-disc-brake-rotor-front","provider":"PartCatalog","version":"1.0","type":"link"}