Cylinder Heads
IAG Stage 4 Cylinder Heads w/ +1mm Valves, GSC S3 Cams & Combustion Chamber Mod (S20), '02-'05 WRX
$6,199.99
IAG 1150 CNC Ported Drag S20 Cylinder Heads w/ Combustion Mod (No Cams / Lifters), '02-'05 WRX
$5,999.99
IAG 1150 CNC Ported Drag S20 Cylinder Heads w/ Combustion Mod & GSC S2 Cams & Lifters, '02-'05 WRX
$7,699.99
IAG 1150 CNC Ported Drag S20 Cylinder Heads w/ Combustion Mod & GSC S3 Cams & Lifters, '02-'05 WRX
$7,699.99
IAG 600 Street Cylinder Heads w/ Kelford EZ Cams & Cam Towers/Lifters/Rockers, '15-'21 WRX
$5,699.99
IAG 750 CNC Pocket Ported D25 Competition Cylinder Heads w/ GSC S1 Cams & Lifters, '06-'14 WRX
$5,699.99
IAG 750 CNC Pocket Ported S20 Competition Cylinder Heads w/ GSC S1 Cams & Lifters, '02-'05 WRX
$5,699.99