Brake Caliper Front R/H Piston for 2005 Suzuki GSF 1200 S-K5 Bandit (Half Faired) (SACS) (GV77A). Brake Caliper Piston & Caliper Seal Kit 27mm x 22.5mm. Part Type : Brake Parts > Piston & Seal Kits. These parts are not necessarily endorsed by any motorcycle manufacturer.