This auction is for a box of ten ( 10 ) NOS hydraulic brake wheel cylinder cups in perfect condition. Niehoff part # K-12400 ( REAR -  13/16" dia. ). These are NEW factory original " MADE IN THE USA " quality parts in the original factory package. Guaranteed superior quality that meets or exceeds all OEM specifications. Will fit 1967 1968  1969 1970 1971 1972 1973 1974 1975 Ford ( Bronco ); 1967-68 ( Mustang ); 1965-74 Econoline Van ( E100 ); 1967-68 Mercury ( Cougar ); 1963-64 Dodge, Plymouth ( Police ) other makes and models. Combined shipping discounts apply on multiple purchases whenever possible. Questions are always welcome, so don't hesitate to ask. I have been selling on eBay for over 18 years and have a 100% feedback rating, so buy with confidence. Also be sure to check out my eBay store for more Vintage & Classic parts, accessories and literature. I list a large variety of NOS, NORS and quality used parts every week, so check back often.