GSC 4B11 Evo X Exhaust Valves MAPerformance The AMS Performance Evo X

The AMS Performance Evo X polyurethane front motor mount bushing insert will decrease transmission movement and result in more precise shifts and improved throttle response

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• Breakaway coupling prevents pump / motor damage in the event of contamination

• Designed to be used with stock intake or stock-sized intakes

GSC 4B11 Evo X Exhaust Valves MAPerformance The AMS Performance Evo XGSC Power Division exhaust valves for the 4B11 Evo X. Exhaust valves are sold as a set of 8 or individually as needed. Choose the standard modified 23 8N stainless material or 2000F Super Alloy. Available in the standard 29mm size or +1mm oversized. Valve stem diameter is 5. 5mm, overall length is 105. 85mm. Vehicle Fitment: Mitsubishi 4B11 2008 2015 Evolution X GSC Exhaust Valves: Part Number: Head Diameter Size: Material: Quantity: GSC 2021 8 STD