IAG Long Blocks

IAG Performance IAG-ENG-4603 Long Block Basic Installation Kit - 06-07 WRX, 07-08 OBXT, 07-08 LGT, 06-08 FXT

IAG Performance IAG-ENG-4603 Long Block Basic Installation Kit - 06-07 WRX, 07-08 OBXT, 07-08 LGT, 06-08 FXT

Regular price $2,249.99 USD

Regular price ~~$2,249.99 USD~~ Sale price $2,249.99 USD
Unit price per
IAG Performance IAG-ENG-4602 IAG Long Block Basic Installation Kit for 2008-20 STI

IAG Performance IAG-ENG-4602 IAG Long Block Basic Installation Kit for 2008-20 STI

Regular price $2,249.99 USD

Regular price ~~$2,249.99 USD~~ Sale price $2,249.99 USD
Unit price per
IAG Performance IAG-ENG-4601 IAG Long Block Basic Installation Kit for EJ25 2007 STI

IAG Performance IAG-ENG-4601 IAG Long Block Basic Installation Kit for EJ25 2007 STI

Regular price $2,249.99 USD

Regular price ~~$2,249.99 USD~~ Sale price $2,249.99 USD
Unit price per
IAG Performance IAG-ENG-4600 IAG Long Block Basic Installation Kit for EJ35 2004-06 STI

IAG Performance IAG-ENG-4600 IAG Long Block Basic Installation Kit for EJ35 2004-06 STI

Regular price $2,249.99 USD

Regular price ~~$2,249.99 USD~~ Sale price $2,249.99 USD
Unit price per
IAG Performance IAG-ENG-4110 IAG 600 FA20F DIT Timed Long Block Engine for 2015-21 WRX

IAG Performance IAG-ENG-4110 IAG 600 FA20F DIT Timed Long Block Engine for 2015-21 WRX

Regular price $13,999.99 USD

Regular price ~~$13,999.99 USD~~ Sale price $13,999.99 USD
Unit price per
IAG Performance IAG-ENG-4040W IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-21 STI.

IAG Performance IAG-ENG-4040W IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-21 STI.

Regular price $17,449.99 USD

Regular price ~~$17,449.99 USD~~ Sale price $17,449.99 USD
Unit price per
IAG Performance IAG-ENG-4040V IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI.

IAG Performance IAG-ENG-4040V IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI.

Regular price $17,449.99 USD

Regular price ~~$17,449.99 USD~~ Sale price $17,449.99 USD
Unit price per
IAG Performance IAG-ENG-4040D 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads

IAG Performance IAG-ENG-4040D 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads

Regular price $17,449.99 USD

Regular price ~~$17,449.99 USD~~ Sale price $17,449.99 USD
Unit price per
IAG Performance IAG-ENG-4025WS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025WS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4025WS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025WS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4025VS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025VS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4025VS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025VS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4025DS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025DS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4025DS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025DS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

Regular price $12,749.99 USD

Regular price ~~$12,749.99 USD~~ Sale price $12,749.99 USD
Unit price per
IAG Performance IAG-ENG-4015W IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-21 STI.

IAG Performance IAG-ENG-4015W IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-21 STI.

Regular price $11,549.99 USD

Regular price ~~$11,549.99 USD~~ Sale price $11,549.99 USD
Unit price per
IAG Performance IAG-ENG-4015V IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 04-07 STI.

IAG Performance IAG-ENG-4015V IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 04-07 STI.

Regular price $11,549.99 USD

Regular price ~~$11,549.99 USD~~ Sale price $11,549.99 USD
Unit price per

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Collection: IAG Long Blocks

IAG Performance IAG-ENG-4603 Long Block Basic Installation Kit - 06-07 WRX, 07-08 OBXT, 07-08 LGT, 06-08 FXT

IAG Performance IAG-ENG-4603 Long Block Basic Installation Kit - 06-07 WRX, 07-08 OBXT, 07-08 LGT, 06-08 FXT

IAG Performance IAG-ENG-4602 IAG Long Block Basic Installation Kit for 2008-20 STI

IAG Performance IAG-ENG-4602 IAG Long Block Basic Installation Kit for 2008-20 STI

IAG Performance IAG-ENG-4601 IAG Long Block Basic Installation Kit for EJ25 2007 STI

IAG Performance IAG-ENG-4601 IAG Long Block Basic Installation Kit for EJ25 2007 STI

IAG Performance IAG-ENG-4600 IAG Long Block Basic Installation Kit for EJ35 2004-06 STI

IAG Performance IAG-ENG-4600 IAG Long Block Basic Installation Kit for EJ35 2004-06 STI

IAG Performance IAG-ENG-4110 IAG 600 FA20F DIT Timed Long Block Engine for 2015-21 WRX

IAG Performance IAG-ENG-4110 IAG 600 FA20F DIT Timed Long Block Engine for 2015-21 WRX

IAG Performance IAG-ENG-4040W IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-21 STI.

IAG Performance IAG-ENG-4040W IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-21 STI.

IAG Performance IAG-ENG-4040V IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI.

IAG Performance IAG-ENG-4040V IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI.

IAG Performance IAG-ENG-4040D 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads

IAG Performance IAG-ENG-4040D 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads

IAG Performance IAG-ENG-4025WS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025WS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025WS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025WS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025VS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025VS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025VS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025VS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025DS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025DS3 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

IAG Performance IAG-ENG-4025DS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4025DS2 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S2 Cams

IAG Performance IAG-ENG-4015W IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-21 STI.

IAG Performance IAG-ENG-4015W IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 08-21 STI.

IAG Performance IAG-ENG-4015V IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 04-07 STI.

IAG Performance IAG-ENG-4015V IAG 700 Closed Deck Long Block Engine w/ Stage 3 Heads for 04-07 STI.