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Collection: IAG TAX REFUND SALE 10% USE CODE: "IAG10" AT CHECKOUT TO APPLY

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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 $5,299.99 USD

Regular price ~~$4,999.99 USD~~ Sale price $5,299.99 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 $6,299.99 USD

Regular price ~~$5,999.99 USD~~ Sale price $6,299.99 USD
Unit price per
IAG 950 EJ25 Destroked 2.35L Closed Deck Short Block For WRX, STI, LGT, FXT - 950BHP

IAG 950 EJ25 Destroked 2.35L Closed Deck Short Block For WRX, STI, LGT, FXT - 950BHP

Regular price $6,799.99 USD

Regular price Sale price $6,799.99 USD
Unit price per
IAG 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP

IAG 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP

Regular price $5,599.99 USD

Regular price ~~$4,999.99 USD~~ Sale price $5,599.99 USD
Unit price per
IAG 600 FA20 DIT Subaru Short Block For 2015-21 WRX - 600 BHP

IAG 600 FA20 DIT Subaru Short Block For 2015-21 WRX - 600 BHP

Regular price $5,099.99 USD

Regular price ~~$4,799.99 USD~~ Sale price $5,099.99 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 $4,999.99 USD

Regular price ~~$4,699.99 USD~~ Sale price $4,999.99 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 $3,299.99 USD

Regular price ~~$2,999.99 USD~~ Sale price $3,299.99 USD
Unit price per
IAG 550 Street S20 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 02-05 WRX

IAG 550 Street S20 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 02-05 WRX

Regular price $4,999.99 USD

Regular price ~~$4,699.99 USD~~ Sale price $4,999.99 USD
Unit price per
IAG 550 Street S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

IAG 550 Street S20 Cylinder Heads Package W/ Combustion Mod (No Cams / Lifters) For 02-05 WRX

Regular price $3,499.99 USD

Regular price ~~$3,199.99 USD~~ Sale price $3,499.99 USD
Unit price per
IAG 550 Street S20 Cylinder Heads Package W/ Combustion Mod & GSC S1 Cams & Lifters For 02-05 WRX

IAG 550 Street S20 Cylinder Heads Package W/ Combustion Mod & GSC S1 Cams & Lifters For 02-05 WRX

Regular price $5,199.99 USD

Regular price ~~$4,899.99 USD~~ Sale price $5,199.99 USD
Unit price per
IAG 550 Street S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

IAG 550 Street S20 Cylinder Heads Package (No Cams / Lifters) For 02-05 WRX

Regular price $3,299.99 USD

Regular price ~~$2,999.99 USD~~ Sale price $3,299.99 USD
Unit price per
IAG 550 Street N25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 18-19 STI Type RA 19-21 STI

IAG 550 Street N25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 18-19 STI Type RA 19-21 STI

Regular price $4,999.99 USD

Regular price ~~$4,699.99 USD~~ Sale price $4,999.99 USD
Unit price per
IAG 550 Street N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

IAG 550 Street N25 Cylinder Heads Package (No Cams & Lifters) For 18-19 STI Type RA 2019-21 STI

Regular price $3,299.99 USD

Regular price ~~$2,999.99 USD~~ Sale price $3,299.99 USD
Unit price per
IAG 550 Street D25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 06-14 WRX 06-13 FXT 07-09 LGT

IAG 550 Street D25 Cylinder Heads Package W/ GSC S1 Cams & Lifters For 06-14 WRX 06-13 FXT 07-09 LGT

Regular price $4,999.99 USD

Regular price ~~$4,699.99 USD~~ Sale price $4,999.99 USD
Unit price per
IAG 550 Street D25 Cylinder Heads Package (No Cams & Lifters) For 06-14 WRX 06-13 FXT 07-09 LGT

IAG 550 Street D25 Cylinder Heads Package (No Cams & Lifters) For 06-14 WRX 06-13 FXT 07-09 LGT

Regular price $3,299.99 USD

Regular price ~~$2,999.99 USD~~ Sale price $3,299.99 USD
Unit price per
IAG 550 EJ25 Subaru Short Block For WRX STI Legacy GT Forester XT - 550 BHP

IAG 550 EJ25 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 1150 Destroked 2.35L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP

IAG 1150 Destroked 2.35L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP

Regular price $10,199.99 USD

Regular price ~~$8,999.99 USD~~ Sale price $10,199.99 USD
Unit price per
IAG 1150 CNC Ported Drag W25 Cylinder Heads Package W/ GSC S3 Cam & Lifters For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 CNC Ported Drag W25 Cylinder Heads Package W/ GSC S3 Cam & Lifters For 08-18 STI (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $7,799.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,799.99 USD
Unit price per
IAG 1150 CNC Ported Drag W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

IAG 1150 CNC Ported Drag W25 Cylinder Heads Package W/ GSC S2 Cam & Lifters For 08-18 STI

Regular price $7,799.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,799.99 USD
Unit price per
IAG 1150 CNC Ported Drag W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

IAG 1150 CNC Ported Drag W25 Cylinder Heads Package (No Cams & Lifters) For 08-18 STI

Regular price $6,099.99 USD

Regular price ~~$5,799.99 USD~~ Sale price $6,099.99 USD
Unit price per
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 $7,799.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,799.99 USD
Unit price per
IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package W/ GSC S2 Cams & Lifters For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $7,799.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,799.99 USD
Unit price per
IAG 1150 CNC Ported Drag V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

IAG 1150 CNC Ported Drag V25 Cylinder Heads Package (No Cams & Lifters) For 04-07 STI 04-05 FXT 05-09 LGT

Regular price $6,099.99 USD

Regular price ~~$5,799.99 USD~~ Sale price $6,099.99 USD
Unit price per
IAG 1150 CNC Ported Drag S20 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 02-05 WRX (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

IAG 1150 CNC Ported Drag S20 Cylinder Heads Package W/ GSC S3 Cams & Lifters For 02-05 WRX (REQUIRES Standalone Engine Management May Not Be Compatible With AVCS)

Regular price $7,799.99 USD

Regular price ~~$7,499.99 USD~~ Sale price $7,799.99 USD
Unit price per

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