Diamond Power Piston Rings works with GM 2.4L DOHC 16V 2 Year Warranty (This product must be installed by a certified professional mechanic) Same day shipping when purchased before 3pm EST Our products are tested and meet or exceed OEM performance requirements Fits 96-02 Fits GM Chevrolet Pontiac Buick 2.4L Piston Rings are made with the best quality materials, all rings are chrome