We provide hand and CNC porting services.



Cylinder Heads

CNC Porting - Starting at $425

Hand Porting - P.O.R.

Porting on your factory 1999-2006 heads  
Porting on your factory 2006-2014 heads
Porting on your 110"/Maximum Velocity Area heads
Porting on your 1984-1999 EVO heads (factory or S&S, Ultima, etc.)    




Manual compression releases
Machine front motor mount
Bore/hone cylinders to next oversize
50-54mm conversion for 2008-2010 throttle bodies  
2011-2015 throttle body cleanup porting  


Call us at (419) 651 - 1802 or send an email to support@jwperf.com for more information on building from mild to wild.