GSC Power Division Exhaust Valve Set for 4B11T 30mm Head +1mm Chrome Polished

GSC Power Division Exhaust Valve Set — 4B11T 30mm Head +1mm Chrome Polished Brand: GSC Power Division Upgrade your 4B11T engine with this precision-engineered exhaust valve set. Crafted from high-strength super alloy and finished with a chrome-polished surface, these valves deliver durability, improved flow, and race-ready reliability. Key Features Fitment: Designed specifically for 4B11T cylinder heads Head Diameter: 30mm for optimized exhaust flow Length/Compensation: +1mm to accommodate porting and seat wear Material: High-temperature super alloy for superior fatigue and corrosion resistance Finish: Chrome polished for reduced friction and smoother valve movement Quantity: Set of 8 valves (complete for a 4-cylinder turbo engine) Benefits Improved exhaust scavenging and higher flow potential for more power Enhanced durability under high boost and elevated exhaust temperatures Precision sizing (+1mm) ensures correct valve-to-seat position after head work Polished surface reduces carbon buildup and improves sealing consistency Ideal for: Tuners, performance builders, and track enthusiasts seeking reliable, high-performance exhaust valves for the 4B11T platform.