Exhaust valve SUBARU EJ20/EJ25 WRX/STi Turbo DOHC/Impreza WRX/STi Maserati WIX WA6573

WIX WA6573

8L ALL ALL T ALL From 11/2005 Thru 6/2006 Production Date  GH-8NBVR Chassis  Coupe  Stock Plug/Heat Range: ISO:6 2005 - 2006 AUDI TT ALL 1

Fits under standard suspension

0L SR20DET

it is easy to return to the old settings

Exhaust valve SUBARU EJ20/EJ25 WRX/STi Turbo DOHC/Impreza WRX/STi Maserati WIX WA6573The production of our race valves begins with a one piece forging where the valve head is forged in a slow two step process to maintain a good material flow. Then it is machined on the CNC in several stages to ensure the precision of the final dimensions. Then, we perform another thermal treatment for relaxation, followed by nitride curing (or coating process depending on the application). Finally, we perform one more grinding followed by a patented