IAG Performance

567 products

IAG 950 CNC Ported Race N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

IAG 950 CNC Ported Race N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

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 N25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 18-19 STI Type RA 19-21 STI

IAG 950 CNC Ported Race N25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 18-19 STI Type RA 19-21 STI

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

Regular price $4,799.99 USD

Regular price ~~$4,799.99 USD~~ Sale price $4,799.99 USD
Unit price per
IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod & GSC S2 Cams & Lifters For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod & GSC S2 Cams & Lifters For 02-05 WRX

Regular price $6,499.99 USD

Regular price ~~$6,499.99 USD~~ Sale price $6,499.99 USD
Unit price per
IAG 950 CNC Ported Race S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

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 S20 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 02-05 WRX

Regular price $6,299.99 USD

Regular price ~~$6,299.99 USD~~ Sale price $6,299.99 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 950 CNC Ported Race W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

IAG 950 CNC Ported Race W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

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 W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

IAG 950 CNC Ported Race W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

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 06-14 WRX 06-13 FXT 07-09 LGT

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 06-14 WRX 06-13 FXT 07-09 LGT

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 06-14 WRX 06-13 FXT 07-09 LGT (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 06-14 WRX 06-13 FXT 07-09 LGT (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 18-19 STI Type RA 19+ STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 18-19 STI Type RA 19+ 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 18-19 STI Type RA 2019+ 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 18-19 STI Type RA 2019+ 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 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 02-05 USDM WRX 2.5L (HYBRID)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 02-05 USDM WRX 2.5L (HYBRID)

Regular price $17,699.99 USD

Regular price ~~$17,699.99 USD~~ Sale price $17,699.99 USD
Unit price per
IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts.for 02-05 USDM WRX 2.5L (HYBRID) (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 02-05 USDM WRX 2.5L (HYBRID) (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $17,699.99 USD

Regular price ~~$17,699.99 USD~~ Sale price $17,699.99 USD
Unit price per

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Collection: IAG Performance

IAG 950 CNC Ported Race N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

IAG 950 CNC Ported Race N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

IAG 950 CNC Ported Race N25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 18-19 STI Type RA 19-21 STI

IAG 950 CNC Ported Race N25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 18-19 STI Type RA 19-21 STI

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod & GSC S2 Cams & Lifters For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ Combustion Mod & GSC S2 Cams & Lifters For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 02-05 WRX

IAG 950 CNC Ported Race S20 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 02-05 WRX

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 950 CNC Ported Race W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

IAG 950 CNC Ported Race W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

IAG 950 CNC Ported Race W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

IAG 950 CNC Ported Race W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 06-14 WRX 06-13 FXT 07-09 LGT

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 06-14 WRX 06-13 FXT 07-09 LGT

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 06-14 WRX 06-13 FXT 07-09 LGT (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 06-14 WRX 06-13 FXT 07-09 LGT (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 18-19 STI Type RA 19+ STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 18-19 STI Type RA 19+ STI

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts For 18-19 STI Type RA 2019+ 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 18-19 STI Type RA 2019+ STI (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 02-05 USDM WRX 2.5L (HYBRID)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S2 Camshafts For 02-05 USDM WRX 2.5L (HYBRID)

IAG 1150 Closed Deck Long Block Engine W/ IAG 1150 Heads / GSC S3 Camshafts.for 02-05 USDM WRX 2.5L (HYBRID) (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 02-05 USDM WRX 2.5L (HYBRID) (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

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