{"product_id":"stoptech-127-34054l-disc-brake-rotor","title":"Stoptech 127.34054L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eStopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors (Part Number 127.34054L) are engineered for BMW M3 and M5 models, providing reliable braking performance with enhanced heat dissipation. Designed with a vented rotor structure and a coated hat finish, these rotors offer durability and consistent stopping power under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled and slotted surface for improved heat dissipation and debris removal\u003c\/li\u003e\n\u003cli\u003eVented rotor design to reduce brake fade during extended use\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion and extend rotor life\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW M3 and M5 models\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 20.000 mm and discard thickness of 18.400 mm\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 327.000 mm and overall height of 61.700 mm\u003c\/li\u003e\n\u003cli\u003eFive lug holes with a 120.000 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eWeight approximately 17.07 lbs (7.76 kgs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors line is designed to enhance braking performance by combining cross-drilled holes and precision slots. This design improves cooling efficiency and helps evacuate gases and debris from the rotor surface, which is critical for maintaining consistent brake pad contact. The vented rotor construction further aids in heat management, making this product line suitable for both street and light track use. The coated hat finish provides additional protection against corrosion, ensuring longevity and reliable performance.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a nominal thickness of 20.000 mm with a discard thickness of 18.400 mm, ensuring safe replacement intervals. The rotor’s outside diameter measures 327.000 mm, with an overall height of 61.700 mm. It includes five stud\/lug holes with a diameter of 14.600 mm arranged on a 120.000 mm bolt circle diameter. The center hole diameter is 75.000 mm, and the rotor is designed with two miscellaneous holes and straight vane style for optimal airflow. The rotor is vented to improve cooling and reduce brake fade during aggressive driving.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade caused by excessive heat buildup during spirited driving\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency by evacuating gases and debris from the rotor surface\u003c\/li\u003e\n\u003cli\u003eHelps prevent corrosion with a coated hat finish for longer service life\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW M3 and M5 models requiring high-performance rotors\u003c\/li\u003e\n\u003cli\u003eSupports safe replacement with clear discard thickness specifications\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 (18.400 mm) before installation\u003c\/li\u003e\n\u003cli\u003eClean rotor surface to remove any protective coatings or contaminants prior to mounting\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with BMW M3 and M5 models using part number 127.34054L\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and calipers during installation for optimal braking system performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44572300443829,"sku":"FLMN-127.34054L","price":172.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12734054L_Fro.jpg?v=1774639211","url":"https:\/\/www.partcatalog.com\/products\/stoptech-127-34054l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}