Fuel injector service / repair kit for Chevrolet, Buick Pontiac & Oldsmobile 3.1L and 3.4L V6 engines from 1999 through 2015. Will fit injector part number 25323972, 25323971 and other 3.1 & 3.4 injectors. Kit includes all parts as shown including upper & lower o’rings, micro basket filters and pintle caps. This kit will service 6 injectors and we also include extra parts in case you have a mishap. We include one extra: filter basket, pintle cap & upper + lower o’ring. Fuel injector shown in picture is for illustrative purposes only and is not included in the listing. Free shipping within the USA. Shipping cost to Canada is $7.50 Paypal accepted.