All injectors are in perfect working order and guaranteed to work. The item "36LB GENUINE BOSCH UPGRADE CHEVY, FORD, DODGE SET OF 8 FUEL INJECTORS" is in sale since Saturday, December 17, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Fuel Injectors". The seller is "upgradfuel" and is located in California. This item can be shipped worldwide.