2005-2007 Subaru STI Parts

1510 products

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $7,499.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,499.99 USD
Unit price per
IAG 550 Street V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 550 Street V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $2,999.99 USD

Regular price ~~$2,999.99 USD~~ Sale price $2,999.99 USD
Unit price per
IAG 550 Street V25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 550 Street V25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $4,699.99 USD

Regular price ~~$4,699.99 USD~~ Sale price $4,699.99 USD
Unit price per
IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $3,799.99 USD

Regular price ~~$3,799.99 USD~~ Sale price $3,799.99 USD
Unit price per
IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $5,699.99 USD

Regular price ~~$5,699.99 USD~~ Sale price $5,699.99 USD
Unit price per
IAG 950 CNC Ported Race V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $4,599.99 USD

Regular price ~~$4,599.99 USD~~ Sale price $4,599.99 USD
Unit price per
IAG 950 CNC Ported Race V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
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 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 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 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 $12,999.99 USD

Regular price ~~$12,999.99 USD~~ Sale price $12,999.99 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 $8,999.99 USD

Regular price ~~$8,999.99 USD~~ Sale price $8,999.99 USD
Unit price per
IAG 550 2.5L Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

IAG 550 2.5L 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 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 $5,099.99 USD

Regular price ~~$5,099.99 USD~~ Sale price $5,099.99 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 $5,999.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $5,999.99 USD
Unit price per

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Collection: 2005-2007 Subaru STI Parts

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 550 Street V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 550 Street V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 550 Street V25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 550 Street V25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 750 CNC Pocket Ported V25 Competition Cylinder Heads Package W/ GSC S1 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 950 CNC Ported Race V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

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 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 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 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

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

IAG 550 2.5L Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

IAG 550 2.5L Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

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

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

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Collection: 2005-2007 Subaru STI Parts

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