Goodwin Racing (GWR) 12.88 Big Brake Kit (Front) RED 4 piston - 2017-2020 Fiat 124 Spider, 2016-2024 Mazda MX-5 Miata. Goodwin Racing 12.88 Front Big Brake Kit. Comprehensive kit includes: DynaPro 4 or 6 piston calipers (price listed is for 4 piston calipers. ).
