These adapters and hubs fit the front of1984-1987 fieros and use the 4 piston Cadillac ATS Brembo front calipers (2013-2019) along with 12.5" diameter front rotors found on several GM cars including (2010-2015 Camaro, 2020-2025 Corvette w/o Z51 package) For reference Raybestos 580746R2 and Powerstop AR82126XPR are good part numbers for rotors. GM part numbers 84544154 & 84544155 for OEM new calipers.
The adapters are made from 6061 Aluminum, powder coated black and bolt onto the existing fiero knuckle without any modifications needed. 17"+ wheels are needed.
Pairs well with the 11.25" or 12" rear adapters, available separately on the website.
Available in two options-
-Adapter brackets only. This includes one left and one right adapter bracket, the required bolts and 2 rotor centering rings. Buyer will need to provide a modified front hub or modify their exiting hub by removing the braking surface. Buyer will also need to drill the fiero 5x100mm bolt pattern in the new rotors. A 3d printed drill guide is included that will allow you to do this with a hand drill or drill press.
-Adapter brackets and 7075 High strength aluminum hubs. This includes one left and one right adapter bracket, the required bolt and custom made Aluminum hubs. The hubs are machined to carry the 12.5" rotor and include bearings and seals with pressed in wheel studs and bearing races. Buyer will need to drill the fiero 5x100mm bolt pattern in the new rotors. A 3d printed drill guide is included that will allow you to do this with a hand drill or drill press.
