1978 - 1988 Pontiac Grand Prix, LeMans. 1978 - 1988 Oldsmobile Cutlass.
Requirements: C5 brakes require a minimum of a 17" wheel for clearance while C6 requires an 18" wheel. Please research your wheel fitment before purchasing. YOU WILL NEED TO SOURCE C5 or C6 calipers, rotors, brake pads and brake lines. A detailed list of GM part numbers is included with the kit. UMIs C5/C6 conversion kit includes laser cut UMI conversion brackets, light weight USA made aluminum hubs and premium bearings.P/N 304647 includes everything needed to adapt the C5/C6 abutment brackets, calipers and rotors to the G-Body spindles. The hub features 5 x 4-1/2 and 5 x 4-3/4 bolt patterns and is intended to face mount the C5/C6 brake rotor in exact factory location (front track width is unaffected). The kit includes premium bearing cups and cones along with the correct rawhide seal for great performance and reliability. The 304647 kit is the choice for UMIs Green Machine and has been thoroughly tested to withstand road race and auto-x competition. 100% manufactured in USA as well as tested and raced out of Philipsburg, PA USA. Kit includes: UMI conversion brackets, driver and passenger side aluminum hubs, correct bearings and seals to mount the C5/C6 calipers and abutment brackets.
Wheel studs are not included, 1/2-20 threaded studs will be required to complete installation. Determine stud length after choosing wheel and considering offset, whether or not spacers are required, and after determining wheel flange thickness.
Kit requires C5 or C6 calipers, rotors, brake pads and brake lines. A detailed list of GM part numbers is included.UMI Performance proudly designs and manufactures its entire line of products within its facility located in the small town of Philipsburg, Pennsylvania. The facility features CNC machining, both milling and turning CNC's, band sawing, press brake operation, MIG and TIG welding, sand blasting, plasma cutting and powder coating. They offer many different levels of their product. To see our other items from UMI Performance We recommend narrowing the results by entering YOUR Vehicle's Year, Make, and Model in the "Store Search" area on the left. Thank you for shopping at Matts Classic Bowties. The item "UMI 78-88 Regal G-Body C5 C6 Front Brake Conversion Hubs Bearings Bracket Kit" is in sale since Monday, October 31, 2016. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Suspension & Steering". The seller is "mattsclassicbowties" and is located in Philipsburg, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Slovenia, Japan, China, Sweden, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Aruba, Saint kitts and nevis, Barbados, Bolivia, Ecuador, Iceland, Sri lanka, Luxembourg, Martinique, Oman, Peru, Paraguay, Reunion, Viet nam, Uruguay.