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Collection: IAG Performance

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Alternator Mount Kit (2 products)
Clutch Disc Intermediate Plate (1 product)
Clutch Pressure Plate and Disc Set (3 products)
Differential Gear Set (2 products)
Engine Block (1 product)
Engine Coolant Reservoir (2 products)
Engine Cylinder Head Gasket (2 products)
Engine Cylinder Head Plug (1 product)
Engine Cylinder Head Set (58 products)
Engine Cylinder Head Stud (2 products)
Engine Gasket Set (9 products)
Engine Intake Manifold Runner Control Valve (4 products)
Engine Long Block (29 products)
Engine Mount (6 products)
Engine Mount Kit (3 products)
Engine Oil Catch Can (2 products)
Engine Oil Change Kit (3 products)
Engine Oil Pan (4 products)
Engine Oil Pan Baffle (1 product)
Engine Oil Pan Kit (5 products)
Engine Oil Pump (4 products)
Engine Oil Separator (14 products)
Engine Oil Separator Hose (5 products)
Engine Oil Strainer (1 product)
Engine Oil Sump Windage Tray (2 products)
Engine Short Block (14 products)
Engine Short Ram Air Intake (2 products)
Engine Timing Belt (1 product)
Engine Timing Belt Component Kit (4 products)
Engine Timing Belt Kit with Water Pump (7 products)
Engine Timing Belt Tensioner (2 products)
Engine Valve Cover Gasket (2 products)
Exhaust Header (2 products)
Fuel Hose Kit (131 products)
Fuel Injection Fuel Rail (3 products)
Fuel Injection Pressure Regulator (1 product)
Fuel Injection Throttle Body (6 products)
Fuel Injection Throttle Body Adapter (1 product)
Fuel Injector (1 product)
Fuel Injector Cushion Ring (1 product)
Manual Transmission Fluid (1 product)
Manual Transmission Gear Set (1 product)
Manual Transmission Mount (9 products)
Manual Transmission Shifter Assembly (1 product)
Manual Transmission Synchro Assembly (4 products)
Power Steering Line (2 products)
Skid Plate (1 product)
Turbocharger Oil Line (1 product)

Alternator Mount Kit (2 products)
Clutch Disc Intermediate Plate (1 product)
Clutch Pressure Plate and Disc Set (3 products)
Differential Gear Set (2 products)
Engine Block (1 product)
Engine Coolant Reservoir (2 products)
Engine Cylinder Head Gasket (2 products)
Engine Cylinder Head Plug (1 product)
Engine Cylinder Head Set (58 products)
Engine Cylinder Head Stud (2 products)
Engine Gasket Set (9 products)
Engine Intake Manifold Runner Control Valve (4 products)
Engine Long Block (29 products)
Engine Mount (6 products)
Engine Mount Kit (3 products)
Engine Oil Catch Can (2 products)
Engine Oil Change Kit (3 products)
Engine Oil Pan (4 products)
Engine Oil Pan Baffle (1 product)
Engine Oil Pan Kit (5 products)
Engine Oil Pump (4 products)
Engine Oil Separator (14 products)
Engine Oil Separator Hose (5 products)
Engine Oil Strainer (1 product)
Engine Oil Sump Windage Tray (2 products)
Engine Short Block (14 products)
Engine Short Ram Air Intake (2 products)
Engine Timing Belt (1 product)
Engine Timing Belt Component Kit (4 products)
Engine Timing Belt Kit with Water Pump (7 products)
Engine Timing Belt Tensioner (2 products)
Engine Valve Cover Gasket (2 products)
Exhaust Header (2 products)
Fuel Hose Kit (131 products)
Fuel Injection Fuel Rail (3 products)
Fuel Injection Pressure Regulator (1 product)
Fuel Injection Throttle Body (6 products)
Fuel Injection Throttle Body Adapter (1 product)
Fuel Injector (1 product)
Fuel Injector Cushion Ring (1 product)
Manual Transmission Fluid (1 product)
Manual Transmission Gear Set (1 product)
Manual Transmission Mount (9 products)
Manual Transmission Shifter Assembly (1 product)
Manual Transmission Synchro Assembly (4 products)
Power Steering Line (2 products)
Skid Plate (1 product)
Turbocharger Oil Line (1 product)

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IAG Performance (364 products)

IAG Performance (364 products)

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364 products

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Alternator Mount Kit (2 products)
Clutch Disc Intermediate Plate (1 products)
Clutch Pressure Plate and Disc Set (3 products)
Differential Gear Set (2 products)
Engine Block (1 products)
Engine Coolant Reservoir (2 products)
Engine Cylinder Head Gasket (2 products)
Engine Cylinder Head Plug (1 products)
Engine Cylinder Head Set (58 products)
Engine Cylinder Head Stud (2 products)
Engine Gasket Set (9 products)
Engine Intake Manifold Runner Control Valve (4 products)
Engine Long Block (29 products)
Engine Mount (6 products)
Engine Mount Kit (3 products)
Engine Oil Catch Can (2 products)
Engine Oil Change Kit (3 products)
Engine Oil Pan (4 products)
Engine Oil Pan Baffle (1 products)
Engine Oil Pan Kit (5 products)
Engine Oil Pump (4 products)
Engine Oil Separator (14 products)
Engine Oil Separator Hose (5 products)
Engine Oil Strainer (1 products)
Engine Oil Sump Windage Tray (2 products)
Engine Short Block (14 products)
Engine Short Ram Air Intake (2 products)
Engine Timing Belt (1 products)
Engine Timing Belt Component Kit (4 products)
Engine Timing Belt Kit with Water Pump (7 products)
Engine Timing Belt Tensioner (2 products)
Engine Valve Cover Gasket (2 products)
Exhaust Header (2 products)
Fuel Hose Kit (131 products)
Fuel Injection Fuel Rail (3 products)
Fuel Injection Pressure Regulator (1 products)
Fuel Injection Throttle Body (6 products)
Fuel Injection Throttle Body Adapter (1 products)
Fuel Injector (1 products)
Fuel Injector Cushion Ring (1 products)
Manual Transmission Fluid (1 products)
Manual Transmission Gear Set (1 products)
Manual Transmission Mount (9 products)
Manual Transmission Shifter Assembly (1 products)
Manual Transmission Synchro Assembly (4 products)
Power Steering Line (2 products)
Skid Plate (1 products)
Turbocharger Oil Line (1 products)

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IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

Regular price $12,499.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $12,499.99 USD
Unit price per
IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2008-18 STI

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2008-18 STI

Regular price $12,499.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $12,499.99 USD
Unit price per
IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ20 2.0L

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ20 2.0L

Regular price $12,499.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $12,499.99 USD
Unit price per
IAG 800 FA20 DIT Closed Deck Long Block Engine W/ IAG 800 Heads For 2015-21 Subaru WRX

IAG 800 FA20 DIT Closed Deck Long Block Engine W/ IAG 800 Heads For 2015-21 Subaru WRX

Regular price $18,499.99 USD

Regular price ~~$16,999.99 USD~~ Sale price $18,499.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

Regular price $13,699.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $13,699.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2018-2019 STI Type RA 2019+ STI

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2018-2019 STI Type RA 2019+ STI

Regular price $13,699.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $13,699.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2002-05 USDM WRX 2.5L (HYBRID)

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2002-05 USDM WRX 2.5L (HYBRID)

Regular price $13,899.99 USD

Regular price ~~$13,199.99 USD~~ Sale price $13,899.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

Regular price $13,699.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $13,699.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2008-18 STI

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2008-18 STI

Regular price $13,699.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $13,699.99 USD
Unit price per
IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2002-05 USDM WRX 2.0L

IAG 950 Closed Deck Long Block Engine W/ IAG 950 Heads For 2002-05 USDM WRX 2.0L

Regular price $13,699.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $13,699.99 USD
Unit price per
IAG 1150 2.5L Subaru Closed Deck Short Block For WRX STI LGT FXT - 1150 BHP

IAG 1150 2.5L Subaru Closed Deck Short Block For WRX STI LGT FXT - 1150 BHP

Regular price $9,299.99 USD

Regular price ~~$8,999.99 USD~~ Sale price $9,299.99 USD
Unit price per
IAG 550 EJ25 Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

IAG 550 EJ25 Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

Regular price $3,999.99 USD

Regular price ~~$3,999.99 USD~~ Sale price $3,999.99 USD
Unit price per
IAG 600 FA20 DIT Subaru Short Block For 2015-21 WRX - 600 BHP

IAG 600 FA20 DIT Subaru Short Block For 2015-21 WRX - 600 BHP

Regular price $5,099.99 USD

Regular price ~~$4,799.99 USD~~ Sale price $5,099.99 USD
Unit price per
IAG 600 FA20 Short Block For 2013-20 BRZ / FR-S (Standard Compression 12.5:1) - 600 BHP

IAG 600 FA20 Short Block For 2013-20 BRZ / FR-S (Standard Compression 12.5:1) - 600 BHP

Regular price $5,099.99 USD

Regular price ~~$4,799.99 USD~~ Sale price $5,099.99 USD
Unit price per
IAG 600 FA20 Subaru Short Block For 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 600 BHP

IAG 600 FA20 Subaru Short Block For 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 600 BHP

Regular price $5,099.99 USD

Regular price ~~$4,799.99 USD~~ Sale price $5,099.99 USD
Unit price per
IAG 750 EJ25 Subaru Closed Deck Short Block For WRX STI LGT FXT - 750BHP

IAG 750 EJ25 Subaru Closed Deck Short Block For WRX STI LGT FXT - 750BHP

Regular price $5,299.99 USD

Regular price ~~$4,999.99 USD~~ Sale price $5,299.99 USD
Unit price per
IAG 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP

IAG 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP

Regular price $5,599.99 USD

Regular price ~~$4,999.99 USD~~ Sale price $5,599.99 USD
Unit price per
IAG 800 FA20 DIT Subaru Closed Deck Short Block For 2015-21 WRX - 800 BHP

IAG 800 FA20 DIT Subaru Closed Deck Short Block For 2015-21 WRX - 800 BHP

Regular price $6,299.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG 800 FA20 Subaru Closed Deck Short Block For 2013-20 BRZ / FR-S / GT86 (12.5:1 Compression Ratio) - 800 BHP

IAG 800 FA20 Subaru Closed Deck Short Block For 2013-20 BRZ / FR-S / GT86 (12.5:1 Compression Ratio) - 800 BHP

Regular price $6,299.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG 800 FA20 Subaru Closed Deck Short Block For 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 800 BHP

IAG 800 FA20 Subaru Closed Deck Short Block For 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 800 BHP

Regular price $6,299.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG 950 EJ25 Subaru Closed Deck Short Block For WRX STI LGT FXT - 950 BHP

IAG 950 EJ25 Subaru Closed Deck Short Block For WRX STI LGT FXT - 950 BHP

Regular price $6,299.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG Performance Unequal Length 3-Bolt Header & Uppipe For 02-14 WRX 04-21 STI 05-09 LGT 04-08 FXT.

IAG Performance Unequal Length 3-Bolt Header & Uppipe For 02-14 WRX 04-21 STI 05-09 LGT 04-08 FXT.

Regular price $749.99 USD

Regular price ~~$749.99 USD~~ Sale price $749.99 USD
Unit price per
IAG Performance Equal Length 3-Bolt Header & Uppipe For 02-14 WRX 04-21 STI 05-09 LGT 04-08 FXT.

IAG Performance Equal Length 3-Bolt Header & Uppipe For 02-14 WRX 04-21 STI 05-09 LGT 04-08 FXT.

Regular price $799.99 USD

Regular price ~~$799.99 USD~~ Sale price $799.99 USD
Unit price per
IAG MOTUL Engine Break-In Oil Change Service Package For 2015-21 Subaru WRX.

IAG MOTUL Engine Break-In Oil Change Service Package For 2015-21 Subaru WRX.

Regular price $69.99 USD

Regular price ~~$69.99 USD~~ Sale price $69.99 USD
Unit price per

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