Engine Short Block

IAG Performance IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

IAG Performance IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

Regular price $4,399.99 USD

Regular price ~~$4,399.99 USD~~ Sale price $4,399.99 USD
Unit price per
IAG Performance IAG 1150 2.5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP

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

Regular price $10,449.99 USD

Regular price ~~$10,449.99 USD~~ Sale price $10,449.99 USD
Unit price per
IAG Performance Stage 3 Magnum EJ25 Closed Deck Case, 14mm H.S.M. Fire-Lock, 99.75mm Bore & Hone

IAG Performance Stage 3 Magnum EJ25 Closed Deck Case, 14mm H.S.M. Fire-Lock, 99.75mm Bore & Hone

Regular price $3,299.99 USD

Regular price ~~$3,299.99 USD~~ Sale price $3,299.99 USD
Unit price per
IAG Performance Stage X 2.5L Subaru Billet Aluminum Short Block

IAG Performance Stage X 2.5L Subaru Billet Aluminum Short Block

Regular price $19,359.99 USD

Regular price ~~$19,359.99 USD~~ Sale price $19,359.99 USD
Unit price per
IAG Performance IAG Stage 4 Tuff EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Stage 4 Tuff EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

Regular price $7,259.99 USD

Regular price ~~$7,259.99 USD~~ Sale price $7,259.99 USD
Unit price per
IAG Performance Stage 4 Extreme EJ25 2.5L Subaru Closed Deck Short Block

IAG Performance Stage 4 Extreme EJ25 2.5L Subaru Closed Deck Short Block

Regular price $9,679.99 USD

Regular price ~~$9,679.99 USD~~ Sale price $9,679.99 USD
Unit price per
IAG Performance Stage 4 Tuff EJ25 Subaru Closed Deck Short Block

IAG Performance Stage 4 Tuff EJ25 Subaru Closed Deck Short Block

Regular price $7,259.99 USD

Regular price ~~$7,259.99 USD~~ Sale price $7,259.99 USD
Unit price per
IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio)

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio)

Regular price $6,599.99 USD

Regular price ~~$6,599.99 USD~~ Sale price $6,599.99 USD
Unit price per
IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

Regular price $6,599.99 USD

Regular price ~~$6,599.99 USD~~ Sale price $6,599.99 USD
Unit price per
IAG Performance IAG Stage 3 Extreme FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

IAG Performance IAG Stage 3 Extreme FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

Regular price $6,599.99 USD

Regular price ~~$6,599.99 USD~~ Sale price $6,599.99 USD
Unit price per
IAG Performance IAG Magnum EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Magnum EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

Regular price $6,599.99 USD

Regular price ~~$6,599.99 USD~~ Sale price $6,599.99 USD
Unit price per
IAG Performance IAG Magnum EJ25 Subaru Closed Deck Short Block for WRX, STI, LGT, FXT.

IAG Performance IAG Magnum EJ25 Subaru Closed Deck Short Block for WRX, STI, LGT, FXT.

Regular price $6,599.99 USD

Regular price ~~$6,599.99 USD~~ Sale price $6,599.99 USD
Unit price per
IAG Performance IAG Stage 2.5 EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Stage 2.5 EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

Regular price $5,279.99 USD

Regular price ~~$5,279.99 USD~~ Sale price $5,279.99 USD
Unit price per
IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (Standard Compression 12.5:1)

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (Standard Compression 12.5:1)

Regular price $6,269.99 USD

Regular price ~~$6,269.99 USD~~ Sale price $6,269.99 USD
Unit price per
IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

Regular price $6,269.99 USD

Regular price ~~$6,269.99 USD~~ Sale price $6,269.99 USD
Unit price per
IAG Performance IAG Stage 2.5 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

IAG Performance IAG Stage 2.5 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

Regular price $6,269.99 USD

Regular price ~~$6,269.99 USD~~ Sale price $6,269.99 USD
Unit price per

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Collection: Engine Short Block

IAG Performance IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

IAG Performance IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP

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

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

IAG Performance Stage 3 Magnum EJ25 Closed Deck Case, 14mm H.S.M. Fire-Lock, 99.75mm Bore & Hone

IAG Performance Stage 3 Magnum EJ25 Closed Deck Case, 14mm H.S.M. Fire-Lock, 99.75mm Bore & Hone

IAG Performance Stage X 2.5L Subaru Billet Aluminum Short Block

IAG Performance Stage X 2.5L Subaru Billet Aluminum Short Block

IAG Performance IAG Stage 4 Tuff EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Stage 4 Tuff EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance Stage 4 Extreme EJ25 2.5L Subaru Closed Deck Short Block

IAG Performance Stage 4 Extreme EJ25 2.5L Subaru Closed Deck Short Block

IAG Performance Stage 4 Tuff EJ25 Subaru Closed Deck Short Block

IAG Performance Stage 4 Tuff EJ25 Subaru Closed Deck Short Block

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio)

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio)

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance Stage 3 Extreme FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance IAG Stage 3 Extreme FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

IAG Performance IAG Stage 3 Extreme FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

IAG Performance IAG Magnum EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Magnum EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Magnum EJ25 Subaru Closed Deck Short Block for WRX, STI, LGT, FXT.

IAG Performance IAG Magnum EJ25 Subaru Closed Deck Short Block for WRX, STI, LGT, FXT.

IAG Performance IAG Stage 2.5 EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance IAG Stage 2.5 EJ20 Subaru Closed Deck Short Block for 02-05 WRX.

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (Standard Compression 12.5:1)

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (Standard Compression 12.5:1)

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance Stage 2.5 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio)

IAG Performance IAG Stage 2.5 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.

IAG Performance IAG Stage 2.5 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX.