Short Blocks, Long Blocks & Heads

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Subaru (OEM) Cylinder Head Casting (LH, Bare), 2005-2006 STi

$925.16

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Subaru (OEM) Cylinder Head Casting (LH, Bare), 2004-2005 STi

$871.58

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Subaru (OEM) Cylinder Head Casting (LH, Bare), 2007 STi

$962.66

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Subaru (OEM) Cylinder Head Casting (RH, Bare), 2005-2006 STi

$925.16

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Subaru (OEM) Cylinder Head Casting (RH, Bare), 2004-2005 STi

$871.58

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Subaru (OEM) Cylinder Head Casting (RH, Bare), 2007 STi

$962.66

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Subaru (OEM) EJ257 Engine Block (Case Half Castings Only), '04-'18 STi & '02-'14 WRX

$2,199.85

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IAG Piston Wrist Pin Access Cover w/ Seals Kit, '04-'21 STi & '06-'14 WRX

$125.99

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IAG Willall Billet Case Halves, 2004-2021 STi & 2006-2014 WRX

$11,549.99

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IAG Long Block Basic Installation Kit, 2004-2006 STi

$1,999.99

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IAG Long Block Basic Installation Kit, 2007 STi

$1,999.99

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IAG Stage X Billet Short Block, 2002-2014 WRX & 2004-2021 STi

$17,599.99

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IAG Stage 3 Cylinder Heads w/ +1mm GSC Valves (No Cams/Buckets, V25 Casting), '07 STi

$3,629.99

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IAG Stage 3 Cylinder Heads w/ +1mm GSC Valves (V25 Casting), 2007 STi

$5,499.99

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IAG Stage 4 Cylinder Heads w/ +1mm Valves & GSC S3 Cams (V25 Casting), '07 STi

$6,299.99

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IAG 1150 CNC Ported Drag V25 Cylinder Heads (No Cams & Lifters), '04-'07 STi

$6,099.99

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IAG 1150 CNC Ported Drag V25 Cylinder Heads w/ GSC S2 Cams & Lifters, '04-'07 STi

$7,799.99

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IAG 1150 CNC Ported Drag V25 Cylinder Heads w/ GSC S3 Cams & Lifters, '04-'07 STi

$7,799.99

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IAG 550 Street V25 Cylinder Heads (No Cams & Lifters), 2004-2007 STi

$3,299.99

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IAG 550 Street V25 Cylinder Heads w/ GSC S1 Cams & Lifters, '04-'07 STi

$4,999.99

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IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads (No Cams & Lifters), '04-'07 STi

$4,099.99

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IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads w/ GSC S1 Cams & Lifters, '04-'07 STi

$5,999.99

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IAG 950 CNC Ported Race V25 Cylinder Heads (No Cams & Lifters), '04-'07 STi

$4,899.99

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IAG 950 CNC Ported Race V25 Cylinder Heads w/ GSC S2 Cams & Lifters, '04-'07 STi

$6,599.99

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

$18,199.99

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

$18,199.99

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

$9,799.99

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

$12,499.99

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IAG 750 EJ25 Closed Deck Case (No Bore/Hone w/ 11mm HSM), '04-'21 STi & '06-'14 WRX

$2,699.99

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IAG 750 EJ25 Closed Deck Case (w/ Bore/Hone w/ 11mm HSM), '04-'21 STi & '06-'14 WRX

$2,949.99

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

$13,699.99

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IAG 950 EJ25 Closed Deck Case (No Bore/Hone / 14mm HSM, Fire-Lock), '04-'21 STi & '06-'14 WRX

$3,049.99

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IAG 950 EJ25 Closed Deck Case (w/ Bore/Hone / 14mm HSM, Fire-Lock), '04-'21 STi & '06-'14 WRX

$3,399.99

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IAG 950 EJ25 Closed Deck Short Block - 950 BHP, '04-'21 STi & '06-'14 WRX

$6,299.99