IAG Performance

567 products

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S2 Camshafts

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S2 Camshafts

Regular price $17,499.99 USD

Regular price ~~$17,499.99 USD~~ Sale price $17,499.99 USD
Unit price per
IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S3 Camshafts. (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S3 Camshafts. (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $17,499.99 USD

Regular price ~~$17,499.99 USD~~ Sale price $17,499.99 USD
Unit price per
IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 08-18 STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 08-18 STI

Regular price $17,499.99 USD

Regular price ~~$17,499.99 USD~~ Sale price $17,499.99 USD
Unit price per
IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $17,499.99 USD

Regular price ~~$17,499.99 USD~~ Sale price $17,499.99 USD
Unit price per
IAG 550 Long Block Engine W/ IAG 550 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

Regular price $9,499.99 USD

Regular price ~~$9,499.99 USD~~ Sale price $9,499.99 USD
Unit price per
IAG 550 Long Block Engine W/ IAG 550 Heads For 2018+ STI RA 2019+ STI & S209

IAG 550 Long Block Engine W/ IAG 550 Heads For 2018+ STI RA 2019+ STI & S209

Regular price $9,499.99 USD

Regular price ~~$9,499.99 USD~~ Sale price $9,499.99 USD
Unit price per
IAG 550 Long Block Engine W/ IAG 550 Heads For 2002-05 WRX

IAG 550 Long Block Engine W/ IAG 550 Heads For 2002-05 WRX

Regular price $9,699.99 USD

Regular price ~~$9,699.99 USD~~ Sale price $9,699.99 USD
Unit price per
IAG 550 Long Block Engine W/ IAG 550 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

Regular price $9,499.99 USD

Regular price ~~$9,499.99 USD~~ Sale price $9,499.99 USD
Unit price per
IAG 550 Long Block Engine W/ IAG 550 Heads For 2008-18 STI

IAG 550 Long Block Engine W/ IAG 550 Heads For 2008-18 STI

Regular price $9,499.99 USD

Regular price ~~$9,499.99 USD~~ Sale price $9,499.99 USD
Unit price per
IAG 600 FA20 DIT Long Block Engine W/ IAG 600 Heads For 2015-21 Subaru WRX

IAG 600 FA20 DIT Long Block Engine W/ IAG 600 Heads For 2015-21 Subaru WRX

Regular price $14,499.99 USD

Regular price ~~$14,499.99 USD~~ Sale price $14,499.99 USD
Unit price per
IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

Regular price $11,799.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $11,799.99 USD
Unit price per
IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2018-2019 STI Type RA 2019+ STI

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2018-2019 STI Type RA 2019+ STI

Regular price $11,799.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $11,799.99 USD
Unit price per
IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ25 2.5L (HYBRID)

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ25 2.5L (HYBRID)

Regular price $11,999.99 USD

Regular price ~~$11,999.99 USD~~ Sale price $11,999.99 USD
Unit price per
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 $11,799.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $11,799.99 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 $11,799.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $11,799.99 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 $11,799.99 USD

Regular price ~~$11,799.99 USD~~ Sale price $11,799.99 USD
Unit price per

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Collection: IAG Performance

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S2 Camshafts

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S2 Camshafts

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S3 Camshafts. (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 04-07 STI 04-05 FXT 05-06 LGT GSC S3 Camshafts. (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 08-18 STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 08-18 STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 550 Long Block Engine W/ IAG 550 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2018+ STI RA 2019+ STI & S209

IAG 550 Long Block Engine W/ IAG 550 Heads For 2018+ STI RA 2019+ STI & S209

IAG 550 Long Block Engine W/ IAG 550 Heads For 2002-05 WRX

IAG 550 Long Block Engine W/ IAG 550 Heads For 2002-05 WRX

IAG 550 Long Block Engine W/ IAG 550 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2004-07 STI 2004-05 FXT 2005-06 LGT

IAG 550 Long Block Engine W/ IAG 550 Heads For 2008-18 STI

IAG 550 Long Block Engine W/ IAG 550 Heads For 2008-18 STI

IAG 600 FA20 DIT Long Block Engine W/ IAG 600 Heads For 2015-21 Subaru WRX

IAG 600 FA20 DIT Long Block Engine W/ IAG 600 Heads For 2015-21 Subaru WRX

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2006-14 WRX 2006-13 FXT 2007-09 LGT

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2018-2019 STI Type RA 2019+ STI

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2018-2019 STI Type RA 2019+ STI

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ25 2.5L (HYBRID)

IAG 750 Closed Deck Long Block Engine W/ IAG 750 Heads For 2002-05 USDM WRX EJ25 2.5L (HYBRID)

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

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

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

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