bought these on ebay from a 100% feedback score seller, i was going to use it for my 347 stroker but sold the engine and never got a chance to use it... the mass meter housing has some surface rust.. text me if you like 3054903438 William.. these are NOT 19# injectors, ford 30# injectors are RED, bosch 19# and 30# are orange. check out the part number on the picture.. $210 shipped