ACDelco Gold (Professional) Disc Brake Caliper Bolt Kit are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional Premium aftermarket replacement part Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models ASIN B0H6K8KH33 Brand ACDelco Model ACDelco Exterior Machined Item Weight 8.3 ounces Manufacturer ACDelco OEM Part Number 19537586 Item model number 18H1187B Product Dimensions 3.46 x 2.96 x 1.46 inches Manufacturer Part Number 19537586