GSC Power-Division 2015+ WRX FA20DIT +1mm Intake Valve Set of 8 Plug and Play ECUs the stock sleeves are still

the stock sleeves are still in place eliminating all risk of dropping sleeves and pushing coolant that you have with a sleeved block

8L MT 2WD LS Wagon 1993

Must be installed by an experienced technician

5L 5MT 4WD Limited 2005

Up to 4 cams independent control

GSC Power-Division 2015+ WRX FA20DIT +1mm Intake Valve Set of 8 Plug and Play ECUs the stock sleeves are stillStem Diameter (mm) 5. 5mm Overall Length (mm) 105. 00mm Head Diameter (mm) 35. 00mm When creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available