1974-1976 Ford Courier, Mazda B1800. New-Old-Stock CARBURETOR IDLE ADJUSTING SCREWS for 1.8 Liter 1800cc 4 Cylinder Engine. (2) . These are ORIGINAL FORD NOS PARTS. You will receive 2 screws Brand New in the box. Ready To Install. Please email with questions. 010220-16 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL FORD PARTS. CHECK IT OUT.