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IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$11,789.99
IAG-ENG-CX25
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG / CREST CNC BILLET ALUMINUM EJ25 SUBARU CASE HALVES FOR WRX, STI, FORESTER XT & LEGACY GT CNC BILLET ALUMINUM EJ25 CASE HALVES...

IAG / RCM Alloy Exhaust Camshaft Sprockets Kit - Single AVCS Subaru WRX 2006-2014 / STi 2004-2007 / LGT 2005-2009 / FXT 2004-2013

$299.99
IAG-ENG-2411
All Best selling products Cam Gears Commerceinstruments Best Selling Products IAG Performance New products
IAG / RCM ALLOY EXHAUST CAMSHAFT SPROCKETS KIT FOR SINGLE AVCS (04-07 STI, 06-14 WRX, 04-13 FXT, 05-09 LGT) THE IAG ALLOY CAMSHAFT SPROCKET...

IAG 1000 FA24 Subaru Closed Deck Short Block (1000BHP) - Subaru WRX 2022+

$6,999.99
IAG-ENG-S1024
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 1000 FA24 SUBARU CLOSED DECK SHORT BLOCK FOR 2022-24 WRX - 1000 BHP THE ULTIMATE “WEEKEND RACER” The IAG 1000 FA24 Short Block...

IAG 100mm Fire-Lock 2.5L Subaru Head Gaskets for 14mm Head Studs (Pair w/ Fire-Lock Rings) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$329.99
IAG-ENG-1741
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous Head Gaskets IAG Performance New products
IAG FIRE-LOCK 2.5L SUBARU EJ25 HEAD GASKETS for EJ25 / EJ257, 100mm, .051", for 14mm Head Studs HIGH HORSEPOWER & HIGH BOOST Our proprietary...

IAG 105K Service Package w/ AISIN Water Pump - Subaru Legacy GT 2005-2009

$769.99
IAG-MNT-2205A
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2005-09 LEGACY GT COMPLETE PARTS PACKAGE The IAG 105k Service Package features an AISIN Water...

IAG 105K Service Package w/ AISIN Water Pump - Subaru STi 2004-2007

$769.99
IAG-MNT-2204A-1
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2004-07 SUBARU STI COMPLETE MAINTENANCE BUNDLE With the IAG 105k Service Package featuring an AISIN...

IAG 105K Service Package w/ AISIN Water Pump - Subaru STi 2008-2021

$769.99
IAG-MNT-2211A-5
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE W/ AISIN WATER PUMP FOR 2008-21 SUBARU STI COMPLETE SERVICE PACKAGE The IAG 105k Service Package with AISIN Water Pump...

IAG 105K Service Package w/ AISIN Water Pump - Subaru WRX 2002

$749.99
IAG-MNT-2202A
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2002 SUBARU WRX 105K SERVICE PACKAGE The IAG 105k Service Package features an AISIN Water...

IAG 105K Service Package w/ AISIN Water Pump - Subaru WRX 2003-2005

$749.99
IAG-MNT-2203A
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2003-05 SUBARU WRX COMPLETE SERVICE PACKAGE The IAG 105k Service Package includes an AISIN Water...

IAG 105K Service Package w/ AISIN Water Pump - Subaru WRX 2006-2007

$769.99
IAG-MNT-2206A
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2006-07 SUBARU WRX COMPLETE TIMING SERVICE PACKAGE The IAG 105k Service Package includes an AISIN...

IAG 105K Service Package w/ AISIN Water Pump - Subaru WRX 2008-2014

$769.99
IAG-MNT-2208A
All Best selling products Commerceinstruments Best Selling Products Gaskets & Miscellaneous IAG Performance New products
IAG 105K SERVICE PACKAGE WITH AISIN WATER PUMP FOR 2008-14 SUBARU WRX COMPLETE TIMING PACKAGE The IAG 105k Service Package comes with an AISIN...

IAG 1150 2.35L Destroked Closed Deck Long Block Engine w/ IAG 1150 Heads (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$19,499.99
IAG-ENG-L113SC
All Best selling products Commerceinstruments Best Selling Products Hardware IAG Performance Longblocks New products
IAG 1150 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 1150 HEADS DROP IN AND DRIVE The IAG Performance hand-built Subaru 1150 2.35L Destroked Long...

IAG 1150 2.5L Subaru Closed Deck Short Block (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$9,499.99
IAG-ENG-S115
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 1150 EJ25 2.5L SUBARU SHORT BLOCK Note: Installation of this shortblock requires IAG Fire-Lock Head Gasket Set - 1 Pair PN# IAG-ENG-1741 and IAG /...

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$18,999.99
IAG-ENG-L115SC
All Best selling products Commerceinstruments Best Selling Products Hardware IAG Performance Longblocks New products
IAG 1150 LONG BLOCK ENGINE WITH IAG 1150 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance...

IAG 1150 Destroked 2.35L Subaru Closed Deck Short Block (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$10,499.99
IAG-ENG-S113
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 1150 EJ25 2.35L DESTROKED SUBARU CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 1150 BHP Note: Installation of this shortblock requires...

IAG 1150 EJ25 Closed Deck Case Halves (14mm H.S.M.; Fire-Lock, Pinned + Line Honed, ARP Case Bolts) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$4,449.99
IAG-ENG-C115
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 1150 EJ25 CLOSED DECK CASE OUR STRONGEST CLOSED DECK CASE TO SUPPORT BIG POWER It's no secret that the OEM Subaru case halves,...

IAG 1150 High Compression 2.5L Subaru Closed Deck Short Block (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$9,499.99
IAG-ENG-S115H
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 1150 HIGH COMPRESSION 2.5L SUBARU CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 1150 BHP Note: Installation of this shortblock requires...

IAG 156 Degree Low Temperature "EJ" Thermostat - Subaru WRX 2002-2014 / STi 2004-2021

$59.99
IAG-ENG-2311
All Best selling products Commerceinstruments Best Selling Products Cooling IAG Performance New products Radiator Accessories
IAG 156 DEGREE LOW TEMPERATURE "EJ" THERMOSTAT FOR 2002-2014 WRX, 2004-2021 STI THE IAG 156 DEGREE LOW TEMPERATURE EJ THERMOSTAT For Subaru owners pushing...

IAG 1st - 6th Carbon Synchro Set - Subaru STi 2004-Early 2006

$549.99
IAG-DRV-1045
All Best selling products Commerceinstruments Best Selling Products Drivetrain IAG Performance New products
IAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2004 - EARLY 2006 STI SHIFTS BETTER, LASTS LONGER IAG’s Carbon Synchro Set is an essential upgrade...

IAG 1st - 6th Carbon Synchro Set - Subaru STi 2008-2021

$549.99
IAG-DRV-1044
All Best selling products Commerceinstruments Best Selling Products Drivetrain IAG Performance New products
IAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2008 + STI IMPROVED SHIFTING & GREATER RELIABILITY Whether you are rebuilding your six speed manual Subaru...

IAG 1st - 6th Carbon Synchro Set - Subaru STi Late 2006-2007 / LGT Spec B 2007-2009

$549.99
IAG-DRV-1046
All Best selling products Commerceinstruments Best Selling Products Drivetrain IAG Performance New products
IAG 1ST-6TH CARBON SYNCHRO SETFOR 2006-07 STI & 2007-09 LGT SPEC B IMPROVED SHIFTING, LONGER LIFESPAN Forceful driving and aggressive shifting can wear down...

IAG 2015+ STI Steering Rack Swap Kit For GD Subframe - Subaru WRX 2002-2007 / STi 2004-2007

$269.99
IAG-DRV-2301
All Best selling products Commerceinstruments Best Selling Products IAG Performance New products Steering Steering Racks
IAG 2015+ STI STEERING RACK SWAP KIT FOR GD SUBFRAME THE IAG 2015+ STI STEERING RACK SWAP KIT The IAG 2015+ Steering Rack Swap...

IAG 550 2.5L EJ25 Subaru Short Block (550BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$3,999.99
IAG-ENG-S550
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 550 EJ25 2.5L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that need a...

IAG 550 Long Block Engine w/ IAG 550 Heads (550BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$10,299.99
IAG-ENG-L550SC
All Best selling products Commerceinstruments Best Selling Products Hardware IAG Performance Longblocks New products
IAG 550 LONG BLOCK ENGINE WITH IAG 550 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Performance...

IAG 550 Street Cylinder Heads Package (550BHP) - Subaru WRX 2002-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$3,399.99
IAG-ENG-H550SE
All Best selling products Commerceinstruments Best Selling Products Cylinder Heads Engine Build Components Hardware IAG Performance New products Valve Springs & Retainers Valves
IAG 550 STREET CYLINDER HEADS PACKAGE FOR 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT ENTRY-LEVEL STOCK REPLACEMENT HEADS The IAG 550 Cylinder Heads...

IAG 6 Speed Synchro Set 1st - 3rd Brass / 4th - 6th Carbon Faced Brass - Subaru STi 2008-2021

$789.99
IAG-DRV-1040
All Best selling products Commerceinstruments Best Selling Products Drivetrain IAG Performance New products
Rebuilding your Subaru 6MT transmission or upgrading your gears? The IAG 6 Speed Synchro package for the 2008-21 STI includes a 1st, 2nd and...

IAG 600 FA20 DIT Long Block Engine w/ IAG 600 Heads (600BHP) - Subaru WRX 2015-2021

$16,499.99
IAG-ENG-L600
All Best selling products Commerceinstruments Best Selling Products Hardware IAG Performance Longblocks New products
IAG 600 FA20F DIT TIMED LONG BLOCKFOR 2015-2021 WRX A "DROP-IN" SOLUTION The IAG Performance Hand-Built 600 Subaru FA20F (DIT) Long Block Package is...

IAG 600 FA20 DIT Subaru Short Block (600BHP) - Subaru WRX 2015-2021

$5,249.99
IAG-ENG-S600
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 600 FA20 DIT 2.0L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 600 Short Block is designed for stock or modified FA20 DIT...

IAG 600 FA20 Subaru Short Block (10.5:1 Compression Ratio; 600BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020

$5,249.99
IAG-ENG-S686L
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 600 FA20 FT86/BRZ 2.0L SUBARU SHORT BLOCK WITH 10.5:1 LOW COMPRESSION DESIGNED FOR STRENGTH The IAG 600 Short Block is designed for stock...

IAG 600 FA20 Subaru Short Block (12.5:1 Compression Ratio; 600BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020

$5,249.99
IAG-ENG-S686H
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 600 FA20 FT86/BRZ 2.0L SUBARU SHORT BLOCK WITH 12.5:1 STANDARD COMPRESSION DESIGNED FOR STRENGTH The IAG 600 Short Block is designed for stock...
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All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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