The product is a set of three NAPA Echlin ICR40 ignition coil resistors designed for Ford F2 Model 11A and Mercury 99A vehicles. These vintage parts are a direct replacement with an OE/OEM part number of 1812250. Manufactured in the United States, the matte-finished resistors are universal fitment components that are not considered performance parts. Additionally, the product carries a California Prop 65 Warning for potential cancer and reproductive harm.