Pinion race is undersized to allow service and re-machining of pinion shaft when prior damage occurred such as race spinning on shaft Includes right and left side crankshaft races with the left side thrust washers Press-on races have a precision-ground outer diameter finish and are designed to be true to size, producing the correct OD after proper press on installation Made in the U.S.A.. RACES CSHAFT BRG TC99-16A