Stainless steel reduces thermal conductivity by up to 90% compared to aluminum Reduced braking temperatures provide better braking performance Eliminates the potential for becoming brittle or corroded like composite or chrome-plated pistons thus extending braking performance Eliminates failure-prone ceramic inserts used on some models Fits: Polaris General 1000 EPS Sport 2023 RZR 200 2023 RZR Turbo Pro XP 4 Premium 2023 RZR Turbo Pro XP 4 Sport 2023 Ranger 1000 EPS 2023 Sportsman 110 2023 Sportsman 450 HO 2023