{"product_id":"dynamic-friction-631-80008r-disc-brake-rotor-rear-right","title":"Dynamic Friction 631-80008R Disc Brake Rotor - Rear Right","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDynamic Friction 631-80008R is a vented disc brake rotor with a slotted and drilled surface, built for controlled braking response and heat management. It is a fitment-specific replacement for select Mazda RX-7 applications and uses a zinc silver hat finish with a rust-resistant coating.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSlotted X drilled braking surface for consistent pad contact.\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved airflow through the rotor body.\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for application-specific rotation.\u003c\/li\u003e\n\u003cli\u003e4-bolt, 4-lug pattern with 114.3 mm bolt circle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003eFits 1984-1985 Mazda RX-7, rear right.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction brake rotor is identified by part number 631-80008R and is engineered with an 18 mm discard thickness, 20 mm nominal thickness, 257 mm outside diameter, and 66 mm center hole diameter. The drilled and slotted face helps maintain pad bite, while the vented construction supports heat dissipation during repeated stops. For buyers searching for a Mazda RX-7 rear right brake rotor, 631-80008R provides a direct replacement format with application-specific dimensions.\u003c\/p\u003e\u003cp\u003eDFC Brake Rotor - Drilled and Slotted - Silver is the product line designation, and it highlights the rotor’s drilled-and-slotted surface treatment along with the silver-coated hat finish. This makes 631-80008R a focused option for drivers replacing a worn rotor on the Mazda RX-7 with the correct fitment and surface design.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Rotor Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pulsation from a worn or uneven rotor surface.\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency caused by heat buildup.\u003c\/li\u003e\n\u003cli\u003eSurface corrosion on an aging rotor.\u003c\/li\u003e\n\u003cli\u003eNoise or vibration related to rotor wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify rotor dimensions, bolt pattern, and directional orientation before installation. Confirm the rear right position and 13B engine fitment listed for the Mazda RX-7 application. Clean the hub mounting surface and inspect pads and related brake components during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this rotor as an application-specific brake component with corrosion-resistant finishing and defined dimensional specifications for accurate fitment.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53374778736821,"sku":"HBHR-631-80008R","price":86.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63180008R_Fro.jpg?v=1790231125","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-80008r-disc-brake-rotor-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}