The P2uned 5 axis cylinder heads are used in the some of the fastest cars in the world. Over 10 years of R&D our cylinder heads have come a long way in the A90 world. The P2uned A90 cylinder head package is designed to offer the biggest power and reliability for customers with high horspower b58 engines like found in the X275 or A90 class. While it can whistand 9-1200whp it can also drive down the highway just fine in your weekend warrior that makes all the boost.
 
Includes - CNC port, spec radius valve job, Supertech stainless intake valves, turbo inconel exhaust valves, dual springs, titanium retainers and cnc keepers. The spring pressure will be set for your application using our digital spring pressure tester.
 
Cylinder Core is needed.