{"product_id":"dynamic-friction-631-80073l-disc-brake-rotor-front-left","title":"Dynamic Friction 631-80073L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 631-80073L is a vented disc brake rotor with a slotted and drilled surface, built for specific Brembo-equipped applications. Its zinc silver hat finish and rust-resistant coating help protect exposed surfaces, while the directional braking surface supports consistent pad contact.\u003c\/p\u003e\u003cp\u003eCompatible With Mazda MX-5 Miata and Fiat 124 Spider applications that use the listed front left brake setup, this rotor is a direct fit for the specified performance brake packages. The 631-80073L is a fitment-specific replacement for drivers looking for the correct rotor dimensions and surface design in one part.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSlotted and drilled rotor surface for performance-oriented braking.\u003c\/li\u003e\n\u003cli\u003eVented construction for improved heat management.\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for the listed application.\u003c\/li\u003e\n\u003cli\u003e4-bolt, 4-lug pattern with 100 mm bolt circle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDynamic Friction 631-80073L is a disc brake rotor engineered around the dimensions and mounting pattern required by the listed Mazda MX-5 Miata and Fiat 124 Spider Brembo brake packages. It measures 280 mm in outside diameter, 44 mm in overall height, and uses a 55 mm center hole with 13.2 mm lug holes. The vented design and slotted X drilled surface support heat dissipation and pad bite, while the plain disc finish and zinc silver hat finish provide a clean, corrosion-resistant appearance.\u003c\/p\u003e\u003cp\u003eThis rotor is intended for front left applications only and should be matched to the exact brake package shown in the fitment data. The 631-80073L part number is useful when verifying the correct rotor for Mazda MX-5 Miata and Fiat 124 Spider performance brake configurations.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or damaged performance brake rotor.\u003c\/li\u003e\n\u003cli\u003eRestoring correct rotor dimensions for Brembo brake packages.\u003c\/li\u003e\n\u003cli\u003eAddressing brake pulsation caused by rotor wear or surface damage.\u003c\/li\u003e\n\u003cli\u003eMaintaining proper pad contact on directional rotor applications.\u003c\/li\u003e\n\u003cli\u003eCorrecting corrosion on exposed rotor surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the brake package, rotor dimensions, bolt pattern, and front left position before installation. This rotor is listed only for the exact Mazda MX-5 Miata and Fiat 124 Spider applications shown in the fitment data. Confirm the part number 631-80073L against the existing rotor and brake hardware before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this rotor as a fitment-specific replacement with corrosion-resistant surface treatment and application-matched dimensions. The 631-80073L part number helps confirm the correct rotor for the listed brake packages.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53526605791413,"sku":"HBHR-631-80073L","price":92.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63180073L_Fro.jpg?v=1792047469","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-80073l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}