Quick view Kartboy Kartboy Rear Brake Adapters to fit FHI 2 Pot & Brembo Gold Calipers $245.00 The Kartboy adapters allow you to install the FHI red two pot rear or gold Brembo calipers on cars with the factory single calipers. Does not require removal of the backing plates. *Note Gold Bolts are for Brembo Calipers Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List