Hi Bob, I'm glad to assist you. It is guaranteed to fit the 2000 Toyota 4Runner Base. If the tire size you mentioned is factory stock, then it is guaranteed to fit. Additional details you have to check and confirm are for models with models with 319mm front rotors. If a match, grab our price-cut promo and click the link below to buy it today. Happy shopping! https://www.carparts.com/brake-disc-and-caliper-kit/powerstop/p15kcoe1236?can=cpje1043_CSQA_20240916

Hi Jonathan, I'm glad to assist you. This front kit fits a 12.5 inch diameter brake discs- is the specific fitment information it matches. The wheel size is not mentioned anymore which is assumed to have the factory stock size would be compatible still. Once confirmed on your end, please click the link below to order this part today and take advantage of the lowest price we have compared to other online stores.I hope this helps. Happy shopping. https://www.carparts.com/brake-disc-and-caliper-kit/powerstop/p15kcoe1236?can=CPJE1043

Hi, It is best to consult with your local dealership for that information or your car's repair manual for more detailed and also specific installation steps. Once you are aware already, you can go back to our website listing. To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all category, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.