IAG 550 Street Cylinder Heads - 2002-2014 WRX / 2004-2021 STI

Available sizes & options

• 06-14 WRX / 06-13 FXT / 07-09 LGT / No I Don't Need Cams & Lifters
• 06-14 WRX / 06-13 FXT / 07-09 LGT / Yes Include GSC S1 Camshafts & Lifters
• 04-07 STI / 04-05 FXT / 05-06 LGT / No I Don't Need Cams & Lifters
• 04-07 STI / 04-05 FXT / 05-06 LGT / Yes Include GSC S1 Camshafts & Lifters
• 08-18 STI / No I Don't Need Cams & Lifters
• 08-18 STI / Yes Include GSC S1 Camshafts & Lifters
• 19-21 STI / 18-19 STI Type RA / No I Don't Need Cams & Lifters
• 19-21 STI / 18-19 STI Type RA / Yes Include GSC S1 Camshafts & Lifters

Final size & live stock are confirmed on the store's own page