IAG 1150 CNC Ported Drag Cylinder Heads Package for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT PDM_valve-stems 40-75 psi adjustable base pressure

40-75 psi adjustable base pressure range

OE level performance upgrade

Up-Pipe included

Extremely Adjustable - Mount them wide

Compatibility and Design

IAG 1150 CNC Ported Drag Cylinder Heads Package for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT PDM_valve-stems 40-75 psi adjustable base pressureIAG 1150 CNC Ported Drag Cylinder Heads Package IAG 1150 CNC Ported Drag Cylinder Heads for 02 14 WRX, 04 21 STI, 05 09 LGT, 04 13 FXT MAXIMUM POWER FOR DRAG RACING The IAG 1150 CNC Ported Drag Cylinder Heads are designed for drag racing and competition. These fully CNC ported heads provide a significant upgrade in long term performance over the IAG 950 heads. These heads work great for cars where getting the most power with maximum reliability is the