GSC Power Division Exhaust Valve Set for Toyota Supra/BMW B58/M3/M4 S58 28.5m...

GSC Power Division Exhaust Valve Set – Toyota Supra / BMW B58 / M3/M4 S58 (28.5mm) Brand: GSC Power Division Upgrade your engine with precision-machined exhaust valves engineered for high-performance Toyota Supra and BMW B58 / S58 platforms. This set of 12 chrome-polished 28.5mm head exhaust valves delivers improved flow, heat resistance, and durability for spirited street use and track applications. Fitment: Toyota Supra & BMW B58 / BMW M3/M4 S58 Quantity: Set of 12 valves Diameter: 28.5 mm head Finish: Chrome polished for corrosion resistance and smooth sealing Benefits: Enhanced exhaust flow, higher temperature tolerance, consistent valve seating Designed and manufactured to strict tolerances, these GSC Power Division valves are ideal for performance builds, turbo applications, and engines requiring reliable valvetrain components. Improve throttle response and longevity with parts trusted by builders and racers. Note: Professional installation recommended. Verify compatibility with your specific engine variant and valve train clearance before purchase.