IAG Performance sells Short Blocks and Internal Engine Parts for your 2002-2023 Subaru WRX, STI, Legacy GT, Forester XT. We have all the parts you to complete an engine rebuild in your Subaru such as Shorts Blocks, Cranks, Rods, Pistons, Bearings, Cases, and more.
Here are just a few of the brands we carry- ACL, Brian Crower, CP Pistons, Carrillo, Clevite, Eagle, IAG Performance, JE Pistons, K1 Technologies, Killer B Motorsport, King Engine Bearings, Manley Performance, Subaru.
IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP
IAG 750 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 750BHP
IAG 750 EJ20 Subaru Closed Deck Short Block For 2002-05 WRX - 750 BHP
IAG 950 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 950 BHP
IAG 950 EJ25 Destroked 2.35L Closed Deck Short Block For WRX, STI, LGT, FXT - 950BHP
IAG 1150 2.5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP
IAG 1150 High Compression 2.5L 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
IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block For WRX, STI, LGT, FXT
IAG 1000 FA24 Subaru Closed Deck Short Block for 2022+ WRX - 1000 BHP
IAG 600 FA20 DIT Subaru Short Block for 2015-21 WRX - 600 BHP
IAG 600 FA20 Subaru Short Block for 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 600 BHP
IAG 600 FA20 Short Block For 2013-20 BRZ / FR-S / GT-86 (Standard Compression 12.5:1) - 600 BHP
IAG 800 FA20 DIT Subaru Closed Deck Short Block for 2015-21 WRX - 800 BHP
IAG Blemished 800 FA20 DIT Subaru Closed Deck Short Block (Bored to 86.25mm, Requires .031" Head Gaskets) for 2015-21 WRX - 800 BHP
IAG 800 FA20 Subaru Closed Deck Short Block for 2013-20 BRZ / FR-S / GT86 (10.5:1 Compression Ratio) - 800 BHP
IAG 800 FA20 Subaru Closed Deck Short Block for 2013-20 BRZ / FR-S / GT86 (12.5:1 Compression Ratio) - 800 BHP
IAG 750 EJ25 Closed Deck Case - 11mm H.S.M. - For Subaru WRX, STI, FXT & LGT
IAG 750 EJ20 Closed Deck Case - 11mm H.S.M. - For Subaru WRX, STI, FXT & LGT
IAG 950 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock - For Subaru WRX, STI, LGT, FXT
IAG 950 EJ20 Closed Deck Case - 14mm H.S.M., Fire-Lock - For Subaru WRX, STI, LGT, FXT
IAG 1150 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock, Pinned + Line Honed, ARP Case Bolts- For Subaru WRX, STI, LGT, FXT
IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves For WRX, STI, Forester XT & Legacy GT
IAG 800 FA20 DIT Closed Deck Case Half Set for 2015-21 Subaru WRX
IAG 800 FA20 Closed Deck Case Half Set for 13-20 Subaru BRZ, 13-16 FR-S, 17-20 86
Subaru Type RA EJ25 Short Block Build Bundle For 04-21 STI, 06-14 WRX, 04-13 FXT, 05-09 LGT
Subaru Type RA 2.5L Turbo Short Block Engine For 2018 + STI RA
Subaru 2.5L Turbo Short Block Engine For 2004-21 STI, 06-14 WRX, 05-09 LGT, 04-13 FXT
Subaru FA20 DIT Turbo Short Block Engine For 2015-21 WRX
Manley Pro Series I-Beam Connecting Rod Set For 2015-21 Subaru WRX, 13-20 BRZ / FR-S
Manley Subaru EJ25 Stroker Series 2.7L Billet Crankshaft 83mm Stroke
Manley Turbo Tuff Extreme Duty Piston Set For Subaru EJ25
JE 100mm 9.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
Subaru Case Half Set for 2015-21 WRX
Subaru FA20 Standard Size Connecting Rod Bearing Set for 15-24 WRX, 13-20 BRZ / FR-S
Manley Platinum Series Piston Set For 2015-21 Subaru WRX FA20 DIT (86.10mm)
JE 99.75mm 8.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
Subaru 2.5L Turbo Short Block Engine Case Half Set for 2004-21 STI, 06-14 WRX, 05-09 LGT, 04-13 FXT
Subaru 2017 Updated OEM 2.5L Nitride-Treated Crankshaft
JE 99.5mm 8.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
JE 99.75mm 9.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
JE 99.75mm 9.5:1 Time Attack FSR Piston Set For Subaru EJ257 (79mm Stroke)
JE 99.5mm 9.5:1 Time Attack FSR Piston Set For Subaru EJ257 (79mm Stroke)
Subaru OEM Crankshaft For 2015-21 Subaru WRX, 2013-20 BRZ
CP 86mm Bore / 9:0:1 Forged Pistons For 2013-20 Subaru BRZ & Scion FR-S
JE 100mm 8.5:1 Stroker Time Attack FSR Piston Set For Subaru EJ257
JE 99.5mm 9.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
JE 100mm 9.5:1 Time Attack FSR Piston Set For Subaru EJ257 (79mm Stroke)
Brian Crower H-Beam Connecting Rods with ARP2000 Rods Bolts for 2015-21 Subaru WRX, 13-20 BRZ
Subaru Case Half Set for 2013-20 BRZ & 2013-16 FR-S, 2017-20 GT86
CP 99.5mm Forged Pistons with Ring Set for 2006-14 Subaru WRX, 04-21 STI, 04-08 FXT
CP 100mm Oversize Forged Pistons with Ring Set for 2006-14 Subaru WRX, 04-21 STI, 04-08 FXT
JE 100mm 8.8:1 Billet FSR Piston Set For Subaru EJ257 (79mm Stroke)
Brian Crower H-Beam Connecting Rods w/ ARP 625+ Rods Bolts for 2015-21 Subaru WRX, 13-20 BRZ
CP 86mm Bore / 10:0:1 Forged Pistons For 2013-20 Subaru BRZ & Scion FR-S
JE 99.5mm 8.8:1 Billet FSR Piston Set For Subaru EJ257 (79mm Stroke)
Clevite H Main Bearing Set for Subaru WRX EJ205 EJ255 STI EJ257 Thrust Position 5
ACL 90+ Subaru 4 EJ16/EJ18/EJ22/EJ25 Standard Size Rod Bearing Set - 4B8296A-STD
ACL Subaru EJ20/EJ22/EJ25 (Suits 52mm Journal Size) 0.25mm Oversized High Performance Rod Bearing Se - 4B8296H-.25
ACL Subaru EJ20/EJ22/EJ25 (Suits 52mm Journal Size) 0.50mm Oversized High Performance Rod Bearing Se - 4B8296H-.50
ACL Subaru EJ20/EJ22/EJ25 (Suits 52mm Journal Size) Standard Size High Performance w/ Extra Oil Clea - 4B8296HX-STD
ACL Subaru EJ20/EJ22/EJ25 (52 Journal Size) Std Size High Perf w/ Extra Oil Clearance - CT-1 Coated - 4B8296HXC-STD
ACL Subaru/Scion FA20 .025mm Oversized High Performance Rod Bearing Set - 4B8310H-.025
ACL Race Standard Size Rod Bearing Set For 2015-21 Subaru WRX, 2013-20 BRZ
ACL Subaru/Scion FA20 Standard Size w/ Extra Oil Clearance High Performance Rod Bearing Set - 4B8310HX-STD
ACL Subaru EJ20/EJ22/EJ25 (Suits 48mm Journal Size) Standard Size High Performance Rod Bearing Set - 4B8320H-STD
ACL Subaru FB20/FB25 Standard Size High Performance Rod Bearing Set - 4B8325H-STD
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) 0.25mm Oversized High Performance Main Bearing - 5M8297H-.25
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) Standard Size High Performance w/ Extra Oil Cl - 5M8297HX-STD
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Standard Size Main Bearing Set - 5M8309A-STD
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.025mm Oversized High Performance Main Bearin - 5M8309H-.025
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.25mm Oversized High Performance Main Bearing - 5M8309H-.25
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing - 5M8309H-.50
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5) 0.25 Oversized High Perf Main Bearing - CT-1 Coated - 5M8309HC-.25
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.002mm Oversized High Performance Main Bearin - 5M8309HOS2-STD
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.005mm Oversized High Performance Main Bearin - 5M8309HOS5-STD
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) .002mm OS High Performance w/ Extra Oil Cl - 5M8309HXOS2-STD
ACL Subaru FA20 0.025mm Oversized High Performance Main Bearing Set - 5M8312H-.025
ACL Subaru FA20 0.25mm Oversized High Performance Main Bearing Set - 5M8312H-.25
ACL Subaru FA20 Standard Size High Performance Main Bearing Set w/ Extra Oil Clearance - 5M8312HX-STD
Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Single Connecting Rod - 14024-1
Manley Steel H Beam Connecting Rods Set For 2002-14 Subaru WRX, 04-21 STI, 04-13 FXT & 05-12 LGT - 14024-4
Manley Subaru EJ25 Standard Stroke 2.5L Billet Crankshaft 79mm Stroke - 190040B
Manley .054 Round Wire Lock (Single Lock) - 42212-1
Manley Ring Set for 621005C/621105C/612005C/622005C/622105C - 461000-4
Manley Sport Compact 99.5mm Bore 1.2mm x 1.2mm x 2.0mm Standard Ring Set - 46995-4
Manley 04+ Subaru WRX/STI (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm Oversized Ring Set - 46997-4
Manley Platinum Series Piston Set for 04+ Subaru WRX STI (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 - 612000C-4
Manley Platinum Series Piston Set for 04+ Subaru WRX STI (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 - 612002C-4
Manley Platinum Series Piston Set for 04+ Subaru WRX STI (EJ257) STD Stroke 100mm +.5mm Bore 8.5:1 - 612005C-4
Manley 04+ Subaru WRX STI (EJ257) STD Stroke 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings - 612100C-4
Manley 04+ Subaru WRX STI (EJ257) STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston Set with Rings - 612102C-4
Manley 98+ Subaru WRX (EJ205) STD Stroke 92mm STD Bore 8.5:1 Dish Piston Set with Rings - 615000C-4
Manley Platinum Series Piston Set for 2002-05 Subaru WRX EJ20 (Oversize Bore: 92.5mm) - 615005C-4
Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92mm STD Bore 8.5:1 Dish Piston Set with Rings - 620000C-4
Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings - 620005C-4
Manley 04+ Subaru WRX STI (EJ257) 75mm DE-STROKED 100mm +.5mm Bore 8.5:1 Dish Piston (SINGLE Piston) - 621005C-1
JE Pistons 100mm 8.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads - 291060
Piston Set, 2618, Inv Dome/Dish, 3.918 Bore, 1.209 CD, 0.905 Pin, Set of 4. - 291061
JE Pistons 100mm 8.5:1 Time Attack FSR Piston Set For Subaru EJ257 (79mm Stroke) - 291062
Piston Set, 2618, Inv Dome/Dish, 3.927 Bore, 1.209 CD, 0.905 Pin, Set of 4. - 296348
Piston Set, 2618, Inv Dome/Dish, 3.927 Bore, 1.130 CD, 0.905 Pin, Set of 4. - 296352
King Subaru EJ20/EJ22/EJ25 (Including Turbo) Performance Rod Bearing (Set of 4) - CR4125CP
King Subaru EJ20/EJ22/EJ25 (Including Turbo) Silicone Bi-Metal Alum Rod Bearing Set - Size STD - CR4125SI
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Perf Rod Bearing Set - Size STD - CR4125XPG
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Perf Rod Bearing Set - Size +.026mm - CR4125XPG.026
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Perf Rod Bearing Set - Size +.025mm - CR4125XPG0.25
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Coated Rod Bearing Set - Size STD - CR4125XPGC
King Subaru EJ20/EJ22/EJ25 pMaxKote Performance Rod Bearing Set - Size +.026mm - CR4125XPGC.026
King Subaru EJ20/EJ22/EJ25 pMaxKote Performance Rod Bearing Set - Size STDX - CR4125XPGCSTDX
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Perf Rod Bearing Set - Size STDX - CR4125XPGSTDX
King Subaru WRX/STi EJ20/EJ22/EJ25 48mm Rod Performance Rod Bearing Set - Size STD - CR4280XP
King Subaru Fa20/ Toyota 4U-GSE (Size 0.05) Connecting Rod Bearing Set - CR4616XPGC0.5
King Subaru EZ30/EZ30D (Size STD) Performance Rod Bearing Set - CR6874XP
King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Performance Main Bearing Set - Size STD - MB5382XPG
King Subaru EJ20/EJ22/EJ25 (Thrust in #5 Position) Tri-Metal Perf Main Bearing Set - Size +0.26mm - MB5382XPG.026
King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Tri-Metal Perf Main Bearing Set - Size +0.5mm - MB5382XPG0.5
King Subaru EJ20/EJ22/ EJ25 (Including Turbo) Coated Crankshaft Main Bearing Set - MB5382XPGC
King Subaru EJ20/EJ22/EJ25 Including Turbo pMaxKote Performance Main Bearing Set - Size +.026mm - MB5382XPGC.026
King Subaru EJ20/EJ22/EJ25 Including Turbo pMaxKote Performance Main Bearing Set - Size STDX - MB5382XPGCSTDX
King Subaru EJ20/EJ22/EJ25 Bi-Metal Silicon Aluminum Main Bearing Set - Size +.002mm - MB5739SI
King Subaru EJ20/EJ22/EJ25 Tri-Metal Perf Main Bearing Set - Size +.002mm - MB5739XPG
King Subaru EJ20/EJ22/EJ25 Housing Bore + .002 Main Bearing Set - Size +.026mm - MB5739XPG.026
King Subaru EJ20/EJ22/EJ25 Housing Bore + .002mm Main Bearing Set - Size STDX - MB5739XPGSTDX
King Subaru EJ20/EJ22/EJ25 Tri-Metal Perf Main Bearing Set - Size +.005mm - MB5740XPG
King Subaru EJ20/EJ22/EJ25 Housing Bore + .005 (Size 0.25) Main Bearing Set - MB5740XPG0.25
King Subaru EJ20/EJ22/EJ25 Performance Tri Metal Bearing Set - Size STDX - MB5740XPGSTDX
King Subaru FA/FB Main Bearing Set - Size STD - MB5745SI
King Subaru FA20 FB20 Performance Tri-Metal Main Bearing Set - Size +.025mm - MB5745XPG.026
King Subaru FA20/Toyota 4U-GSE (Size .026) pMaxKote Performance Main Bearing Set - MB5745XPGC.026
King Subaru FA20/Toyota 4U-GSE pMaxKote Performance Main Bearing Set - Size STDX - MB5745XPGCSTDX
King Subaru EZ30/EZ30D Performance Main Bearing Set - Size STDX - MB7772XPSTDX
Eagle Subaru EJ20 / EJ25 Connecting Rods (Set of 4) - CRS5137S3D
CP Piston & Ring Set for Subaru EJ20 WRX - Bore (92mm) - Size (Standard) - Compression Ratio (8.5) - SC7399-4
CP Piston & Ring Set for Subaru EJ25 WRX STI - Bore (99.75mm) - Size (+0.25mm) - CR (10) - Set of 4 - SC7416-4
CP 99.5mm Forged Pistons with Ring Set for 2006-14 Subaru WRX, 04-21 STI, 04-08 FXT - SC7420-4
CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100mm) - Size (0.5mm) - CR (8.2) - SC7421-4
CP 99.75mm Oversize Forged Pistons with Ring Set for 2006-14 Subaru WRX, 04-21 STI, 04-08 FXT - SC7422-4
CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4 - SC7423-4
CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (99.5mm) - Size (STD) - CR (9.0) - SC7425-4
CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (99.75mm) - Size (+0.25mm) - CR (9.0) - SC7426-4
CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (100.0mm) - Size (+0.5mm) - CR (9.0) - SC7427-4
Carrillo Subaru EJ18/EJ20/EJ257 (WRX Sti) Pro-H 3/8 WMC Bolt Connecting Rods - SCR4245-4
