Cylinder Heads

Quickview

Add to Cart

IAG 550 Street W25 Cylinder Heads (No Cams & Lifters), 2008-2018 STi

$3,299.99

Quickview

Add to Cart

IAG 600 Street Cylinder Heads (No Cams/Towers/Lifters/Rockers), '15-'21 WRX

$3,099.99

Quickview

Add to Cart

IAG 600 Street Cylinder Heads w/ Kelford EZ Cams & Cam Towers/Lifters/Rockers, '15-'21 WRX

$5,799.99

Quickview

Add to Cart

IAG 750 CNC Pocket Ported D25 Competition Cylinder Heads (No Cams & Lifters), '06-'14 WRX

$4,099.99

Quickview

Add to Cart

IAG 800 CNC Pocket Ported Competition Cylinder Heads (No Cams/Towers/Lifters/Rockers), '15-'21 WRX

$4,099.99

Quickview

Add to Cart

IAG 950 CNC Ported Race D25 Cylinder Heads (No Cams & Lifters), '06-'14 WRX

$4,899.99

Quickview

Add to Cart

IAG 950 CNC Ported Race D25 Cylinder Heads w/ GSC S2 Cams & Lifters, '06-'14 WRX

$6,599.99

Quickview

Add to Cart

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads / GSC S2 Camshafts, '04-'07 STi

$18,199.99

Quickview

Add to Cart

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads / GSC S3 Camshafts, '04-'07 STi

$18,199.99

Quickview

Add to Cart

IAG 1150 CNC Ported Drag D25 Cylinder Heads w/ GSC S3 Cams & Lifters, '06-'14 WRX

$7,799.99

Quickview

Add to Cart

IAG 550 Long Block Engine w/ IAG 550 Heads, 2004-2007 STi

$9,799.99

Quickview

Add to Cart

IAG 750 Closed Deck Long Block Engine w/ IAG 750 Heads, 2004-2007 STi

$12,499.99

Quickview

Add to Cart

IAG 750 CNC Pocket Ported D25 Competition Cylinder Heads w/ GSC S1 Cams & Lifters, '06-'14 WRX

$5,999.99

Quickview

Add to Cart

IAG 950 Closed Deck Long Block Engine w/ IAG 950 Heads, 2004-2007 STi

$13,699.99

Quickview

Add to Cart

IAG Stage 3 Cylinder Heads w/ +1mm GSC Valves (D25 Casting), '06-'14 WRX

$5,499.99

Quickview

Add to Cart

IAG Stage 3 Cylinder Heads w/ +1mm GSC Valves (No Cams/Buckets, D25 Casting), '06-'14 WRX

$3,629.99