| IAG Blemished Side Feed to Top Feed Fuel Rail Conversion Kit For 2004-06 Subaru STI, 05-07 LGT, 04-05 FXT Black Finish - Condition B10 | iagperformance.com | 174.99 USD | 219.99 USD | −20.5% |
| IAG Blemished Side Feed to Top Feed Fuel Rail Conversion Kit For 2004-06 Subaru STI, 05-07 LGT, 04-05 FXT Black Finish - Condition B09 | iagperformance.com | 189.99 USD | 219.99 USD | −13.6% |
| IAG Blemished V3 Top Feed TGV Housings with Butterfly Pass Thru for 08-14 WRX, 07+ STI (Silver / Condition B09) | iagperformance.com | 339.99 USD | 379.99 USD | −10.5% |
| IAG Blemished V3 Top Feed Fuel Rails 02-14 Subaru WRX, 07-21 STI, 08-12 LGT, 06-13 FXT (Red Finish / Condition B10) | iagperformance.com | 199.99 USD | 219.99 USD | −9.1% |
| IAG Blemished V3 Top Feed Fuel Rails 02-14 WRX, 07-21 STI, 08-12 LGT, 06-13 FXT (Black Finish / Condition B10) | iagperformance.com | 199.99 USD | 219.99 USD | −9.1% |
| IAG Performance 950 Closed Deck Long Block Engine w/ 950 Heads (STI 04-07/FXT 04-05) | krenbitsau.com | 34590 NZD | — | — |
| IAG Performance 950 Closed Deck Long Block Engine w/ 950 Heads (STI 08-18) | krenbitsau.com | 34590 NZD | — | — |
| IAG Performance 950 Closed Deck Long Block Engine w/ 950 Heads (WRX 02-05) | krenbitsau.com | 33850 NZD | — | — |
| IAG Performance 1150 Closed Deck Short Block - 1150 BHP (FXT 04-13/STI 04+) | krenbitsau.com | 22160 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag S20 Cylinder Heads Package - w/ GSC S3 Cams & Lifters (WRX 02-05) | krenbitsau.com | 19770 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag S20 Cylinder Heads Package - w/ Combustion Mod & GSC S3 Cams & Lifters (WRX 02-05) | krenbitsau.com | 19435 NZD | — | — |
| IAG Performance 1000 CNC Ported Drag AW20 Cylinder Head Package - w/ Kelford B "280" Cams, Cam Towers, Lifters & Rockers (WRX 15-21) | krenbitsau.com | 19025 NZD | — | — |
| IAG Performance 800 Series FA20 DIT Long Block 2015-2021 WRX | autospecdesign.com | 18999.99 USD | — | — |
| IAG Performance 1150 CNC Ported Drag N25 Cylinder Heads Package - w/ GSC S3 Cams & Lifters (STI 18-21) | krenbitsau.com | 18955 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag D25 Cylinder Heads Package - w/ GSC S3 Cams & Lifters (WRX 06-14/FXT 06-13) | krenbitsau.com | 18955 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag V25 Cylinder Heads Package - w/ GSC S3 Cams & Lifters (STI 04-07/FXT 04-05) | krenbitsau.com | 18955 NZD | — | — |
| IAG Performance / Crest CNC Stage X Billet EJ25 Subaru Short Block 2002-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2013 FXT | autospecdesign.com | 17999.99 USD | — | — |
| IAG Performance / Crest Stage X 2.5L Subaru Billet Aluminum Short Block for WRX STI LGT FXT. | bpfauto.com | 17599.99 USD | 17,599.99 USD | — |
| IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-20 STI. | bpfauto.com | 17449.99 USD | 17,449.99 USD | — |
| IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 04-07 STI. | bpfauto.com | 17449.99 USD | 17,449.99 USD | — |
| IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 06-14 WRX 04-13 FXT 05-09 LGT. | bpfauto.com | 17449.99 USD | 17,449.99 USD | — |
| IAG Performance Spec PPG 1st - 4th Straight-Cut Synchro Gear Set (STI 04-21) | krenbitsau.com | 17295 NZD | — | — |
| IAG Performance Closed Deck Short Block (15-21 WRX) | krenbitsau.com | 16570 NZD | — | — |
| IAG Performance 600 Series FA20 DIT Long Block 2015-2021 WRX | autospecdesign.com | 16499.99 USD | — | — |
| IAG Performance 1150 CNC Ported Drag S20 Cylinder Heads Package (WRX 02-05) | krenbitsau.com | 15570 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag S20 Cylinder Heads Package (WRX 02-05) | krenbitsau.com | 15480 NZD | — | — |
| IAG Performance 800 Closed Deck Short Block- 800 BHP (WRX 15-21) | krenbitsau.com | 15410 NZD | — | — |
| IAG Performance 800 Closed Deck Short Block 10.5:1 Compression Ratio - 800 BHP (BRZ /FR-S 13-20) | krenbitsau.com | 15410 NZD | — | — |
| IAG Performance 800 Closed Deck Short Block - 800 BHP (BRZ /FR-S 13-20) | krenbitsau.com | 15410 NZD | — | — |
| IAG Performance 950 Closed Deck Short Block - 950 BHP (FXT 04-13/STI 04+) | krenbitsau.com | 15275 NZD | — | — |
| IAG Performance Stage 4 Head - 'D' Casting w/GSC S2 Cams + New OEM Lifter Buckets (WRX 06-14/FXT 06-10/LGT 07-09) | krenbitsau.com | 15120 NZD | — | — |
| IAG Performance Stage 4 Head - 'D' Casting w/GSC S3 Cams + New OEM Lifter Buckets (WRX 06-14/FXT 06-10/LGT 07-09) | krenbitsau.com | 15120 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag N25 Cylinder Heads Package (STI 18-21) | krenbitsau.com | 15000 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag V25 Cylinder Heads Package (STI 04-07/FXT 04-05) | krenbitsau.com | 15000 NZD | — | — |
| IAG Performance 1150 CNC Ported Drag D25 Cylinder Heads Package (WRX 06-14/FXT 06-13) | krenbitsau.com | 15000 NZD | — | — |
| IAG Performance Stage 4 Head - 'S' Casting w/Chamber Mod, GSC S2 Cams + New OEM Lifter Buckets (WRX 01-05) | krenbitsau.com | 14880 NZD | — | — |
| IAG Performance Stage 4 Head - 'S' Casting w/Chamber Mod, GSC S3 Cams + New OEM Lifter Buckets (WRX 01-05) | krenbitsau.com | 14880 NZD | — | — |
| IAG Performance Stage 4 Head - 'S' Casting w/GSC S2 Cams + New OEM Lifter Buckets (WRX 01-05) | krenbitsau.com | 14400 NZD | — | — |
| IAG Performance Stage 4 Head - 'S' Casting w/GSC S3 Cams + New OEM Lifter Buckets (WRX 01-05) | krenbitsau.com | 14400 NZD | — | — |
| IAG Performance 750 Closed Deck Short Block - 750 BHP (WRX 02-05) | krenbitsau.com | 14210 NZD | — | — |