This auction is for a NOS brake master cylinder repair kit in perfect condition. Niehoff part # K-1257 ( 7/8 " dia. ). These are NEW factory original " MADE IN THE USA " quality parts in the original factory sealed and unopened package. Guaranteed superior quality that meets or exceeds all OEM specifications. Will fit 1976 1977 Chevrolet LUV Trucks ( Series 5, 6 ) w/ disc brakes. Combined shipping discounts apply on multiple purchases whenever possible. Questions are always welcome, so don't hesitate to ask. Please be sure to check out my eBay store for more Vintage and Classic parts & accessories. I list a large variety of NOS, NORS and quality used parts every week, so check back often.