MAP High Performance +1 Exhaust Valves | 2008-2015 EVO X / 4B11T (EVOX-HPV+1-EXH)PART# MAP EVOX-HPV+1-EXH
Evo X 4B11T Performance Valves
Building a 4B11T that will see unimaginable power? Or maybe you're just refreshing your Evo X cylinder head with some upgrades. Whatever your reasons for searching for performance Evo X 4B11T valves, the MAPerformance Evo 10 High Performance Valves are loaded with many features!
The cream of the crop, we have some of the best bang for your buck valves! We have been using these valves in our in house cylinder head packages for many years, as well as our full longblock assemblies. These nitride coated Evo 10 valves have proven themselves to meet our high standards, withstand high boost/extreme heat punishment, and engines that see HIGH rpm. We've decided to make these available to you, the consumer at no extra cost! Without a doubt, you will be impressed with the construction and fit of our Evo X valves!
- Black nitride coating
- Full one-piece construction
- Includes full set of exhaust valves
- Undercut stem design (reduces weight, improves airflow into combustion chamber)
- 2008-2015 EVO X / 4B11T
What's in the Box?
- (8) 4B11T Evo X +1 Exhaust Valves