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IAG 800 FA20 Closed Deck Case Halves - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 IAG 800 FA20 Closed Deck Case Halves - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 Quick View
IAG Performance

IAG 800 FA20 Closed Deck Case Halves - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020

$3,099.99
IAG-ENG-C886
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IAG 800 FA20 CLOSED DECK CASE FOR BRZ/FRS/GT86 PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM Subaru case...
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IAG 800 FA20 DIT Closed Deck Case Halves - Subaru WRX 2015-2021 IAG 800 FA20 DIT Closed Deck Case Halves - Subaru WRX 2015-2021 Quick View
IAG Performance

IAG 800 FA20 DIT Closed Deck Case Halves - Subaru WRX 2015-2021

$3,099.99
IAG-ENG-C800
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 800 FA20DIT CLOSED DECK CASE FOR 2015-2021 SUBARU WRX PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM...
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IAG 950 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005 IAG 950 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005 Quick View
IAG Performance

IAG 950 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005

$3,499.99
IAG-ENG-C955
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 950 EJ20 CLOSED DECK CASE PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM Subaru case halves, or...
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IAG 750 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005 IAG 750 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005 Quick View
IAG Performance

IAG 750 EJ20 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2002-2005

$2,699.99
IAG-ENG-C755
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 750 EJ20 CLOSED DECK CASE PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM Subaru case halves, or...
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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 IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

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
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IAG / CREST CNC BILLET ALUMINUM EJ25 SUBARU CASE HALVES FOR WRX, STI, FORESTER XT & LEGACY GT CNC BILLET ALUMINUM EJ25 CASE HALVES...
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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 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 Quick View
IAG Performance

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,...
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IAG 950 EJ25 Closed Deck Case Halves (14mm H.S.M.; Fire-Lock) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 950 EJ25 Closed Deck Case Halves (14mm H.S.M.; Fire-Lock) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 950 EJ25 Closed Deck Case Halves (14mm H.S.M.; Fire-Lock) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$3,099.99
IAG-ENG-C950
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 950 EJ25 CLOSED DECK CASE PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM Subaru case halves, or...
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IAG 750 EJ25 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 750 EJ25 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 750 EJ25 Closed Deck Case Halves (11mm H.S.M.) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$2,749.99
IAG-ENG-C750
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 750 EJ25 CLOSED DECK CASE PLANNING TO BUILD YOUR OWN ENGINE? START HERE It's no secret that the OEM Subaru case halves, or...
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IAG 1000 FA24 Subaru Closed Deck Short Block (1000BHP) - Subaru WRX 2022+ IAG 1000 FA24 Subaru Closed Deck Short Block (1000BHP) - Subaru WRX 2022+ Quick View
IAG Performance

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...
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IAG 800 FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 IAG 800 FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 Quick View
IAG Performance

IAG 800 FA20 Subaru Closed Deck Short Block (12.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020

$6,499.99
IAG-ENG-S886H
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 800 FA20 FT86/BRZ 2.0L SUBARU SHORT BLOCK WITH 12.5:1 STANDARD COMPRESSION GET MORE OUT OF YOUR BRZ/FT86 The IAG 800 Short Block is...
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IAG 800 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 IAG 800 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 Quick View
IAG Performance

IAG 800 FA20 Subaru Closed Deck Short Block (10.5:1 Compression Ratio; 800BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020

$6,499.99
IAG-ENG-S886L
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 800 FA20 FT86/BRZ 2.0L SUBARU SHORT BLOCK WITH 10.5:1 LOW COMPRESSION GET MORE OUT OF YOUR BRZ/FT86 The IAG 800 Short Block is...
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IAG 800 FA20 DIT Subaru Closed Deck Short Block (800BHP) - Subaru WRX 2015-2021 IAG 800 FA20 DIT Subaru Closed Deck Short Block (800BHP) - Subaru WRX 2015-2021 Quick View
IAG Performance

IAG 800 FA20 DIT Subaru Closed Deck Short Block (800BHP) - Subaru WRX 2015-2021

$6,499.99
IAG-ENG-S800
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 800 FA20 DIT 2.0L SUBARU SHORT BLOCK GET MORE OUT OF YOUR FA20 WRX The IAG 800 Short Block is designed for modified...
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IAG 600 FA20 Subaru Short Block (12.5:1 Compression Ratio; 600BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 IAG 600 FA20 Subaru Short Block (12.5:1 Compression Ratio; 600BHP) - Subaru BRZ / Scion FR-S / Toyota 86 2013-2020 Quick View
IAG Performance

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

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...
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IAG 600 FA20 DIT Subaru Short Block (600BHP) - Subaru WRX 2015-2021 IAG 600 FA20 DIT Subaru Short Block (600BHP) - Subaru WRX 2015-2021 Quick View
IAG Performance

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...
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IAG 750 EJ20 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2002-2005 IAG 750 EJ20 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2002-2005 Quick View
IAG Performance

IAG 750 EJ20 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2002-2005

$5,749.99
IAG-ENG-S755
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 750 EJ20 2.0L SUBARU SHORT BLOCK THE PROBLEM SOLVER The IAG 750 Short Block is designed to solve the majority of common problems...
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IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block (1150+BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block (1150+BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block (1150+BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$17,999.99
IAG-ENG-SX25
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IAG PERFORMANCE / CREST CNC 2.5L SUBARU BILLET ALUMINUM SHORT BLOCK 1150+ BHP Note: Installation of this shortblock requires IAG Fire-Lock Head Gasket Set...
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IAG 1150 Destroked 2.35L Subaru Closed Deck Short Block (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 1150 Destroked 2.35L Subaru Closed Deck Short Block (1150BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
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
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IAG 1150 EJ25 2.35L DESTROKED SUBARU CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 1150 BHP Note: Installation of this shortblock requires...
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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 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 Quick View
IAG Performance

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

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 /...
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IAG 950 EJ25 Subaru Destroked 2.35L Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 950 EJ25 Subaru Destroked 2.35L Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 950 EJ25 Subaru Destroked 2.35L Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$6,999.99
IAG-ENG-S953
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 950 EJ25 2.35L DESTROKED CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 950 BHP Note: Installation of this shortblock requires IAG...
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IAG 950 EJ25 Subaru Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 950 EJ25 Subaru Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 950 EJ25 Subaru Closed Deck Short Block (950BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$6,499.99
IAG-ENG-S950
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 950 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...
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IAG 750 International Hybrid EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 750 International Hybrid EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 750 International Hybrid EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$5,599.99
IAG-ENG-S750IH
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IAG 750 International Hybrid EJ25 2.5L SUBARU SHORT BLOCK (Built with Hybrid Pistons for EJ20 Heads) Using EJ20 Heads? View the IAG750 International Hybrid...
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IAG 750 EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 750 EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

IAG 750 EJ25 Subaru Closed Deck Short Block (750BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013

$5,499.99
IAG-ENG-S750
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Hardware IAG Performance New products Shortblocks
IAG 750 EJ25 2.5L SUBARU SHORT BLOCK Using EJ20 Heads? View the IAG750 International Hybrid Block HERE (Built with Hybrid Pistons) THE PROBLEM SOLVER...
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IAG 550 2.5L EJ25 Subaru Short Block (550BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 IAG 550 2.5L EJ25 Subaru Short Block (550BHP) - Subaru WRX 2006-2014 / STi 2004-2021 / LGT 2005-2009 / FXT 2004-2013 Quick View
IAG Performance

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...
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Subaru OEM Assembled Short Block - Subaru WRX 2015-2021 Quick View
Subaru

Subaru OEM Assembled Short Block - Subaru WRX 2015-2021

$2,699.99
10103AC480
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This is a brand new, completely assembled FA20DIT shortblock directly from Subaru of America. This block is the original equipment shortblock for the 2015-2020...
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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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