http://tinyurl.com/mfzo6vs<P>Stens 785-521 Engine Tune-Up/ Maintenance Kit For Briggs & Stratton 5127A Intek 15.5, 17, 17.5 HPProduct Review<P> Click on the link for more reviews<P>Stens part number 785-521<P>For Briggs & Stratton 5127A Intek 15.5, 17, 17.5 HP<P>