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1150 BHPVendor:IAG PerformanceIAG 1150 2.5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP
Regular price $9,499.99Sale price $9,499.99 Regular priceUnit price per -
Vendor:SubaruSubaru Rear Main Seal For 15-24 Subaru WRX, 13-25 BRZ
Regular price $26.57Sale price $26.57 Regular priceUnit price per -
Vendor:SubaruSubaru Engine Gasket Kit For 2002-03 Subaru WRX 2.0L
Regular price $462.42Sale price $462.42 Regular priceUnit price per -
Vendor:SubaruSubaru FA20 Oil Pump/Timing Cover For 2013-20 BRZ
Regular price $672.63Sale price $672.63 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 1150 EJ25 Closed Deck Case - 14mm H.S.M., Fire-Lock, Pinned + Line Honed, ARP Case Bolts- For Subaru WRX, STI, LGT, FXT
Regular price From $4,449.99Sale price From $4,449.99 Regular priceUnit price per -
Vendor:King Engine BearingsKing Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) Tri-Metal Perf Rod Bearing Set - Size +.025mm - CR4125XPG0.25
Only 12 leftRegular price $73.95Sale price $73.95 Regular priceUnit price per -
Up to $18.17 OFFVendor:Manley PerformanceManley Beehive Valve Spring & Titanium Retainer Set For 2002-14 Subaru WRX, 2004-21 STI, 05-12 LGT, 04-13 FXT - 26180
Only 4 leftRegular price $345.16Sale price $345.16 Regular priceUnit price per$363.33 -
800 BHPVendor:IAG PerformanceIAG 800 FA20 DIT Closed Deck Long Block Engine w/ IAG 800 Heads for 2015-21 Subaru WRX
Regular price $18,999.99Sale price $18,999.99 Regular priceUnit price per -
Vendor:SubaruSubaru Driver Side EJ25 Engine Timing Cover for 2008-21 STI, 2010-12 LGT
Regular price $26.92Sale price $26.92 Regular priceUnit price per -
Vendor:Brian CrowerBrian Crower Subaru EJ205-WRX/EJ257-STi Single Spring & Titanium Retainer Kit - BC0600
Only 12 leftRegular price $300.00Sale price $300.00 Regular priceUnit price per -
Up to $79.01 OFFVendor:GSC Power DivisionGSC Power-Division Beehive Valve Spring Kit For 2015-21 Subaru WRX, 13-17 BRZ / FR-S - 5056
Only 10 leftRegular price $447.72Sale price $447.72 Regular priceUnit price per$526.73 -
Vendor:King Engine BearingsKing Engine Bearings Subaru FA20/Toyota 4U-GSE pMaxKote Performance Main Bearing Set - Size STDX - MB5745XPGCSTDX
Only 4 leftRegular price $302.95Sale price $302.95 Regular priceUnit price per -
Vendor:King Engine BearingsKing Subaru EJ20/EJ22/EJ25 Including Turbo pMaxKote Performance Main Bearing Set - Size +.026mm - MB5382XPGC.026
Only 7 leftRegular price $301.95Sale price $301.95 Regular priceUnit price per -
Vendor:ARPARP Case Bolt Kit For 2002-14 Subaru WRX, 04-21 STI, 04-13 FXT, 05-12 LGT, (EJ20, EJ255 & EJ257) - 260-5401
Only 8 leftRegular price $508.41Sale price $508.41 Regular priceUnit price per -
Vendor:GatesGates Subaru 00-08 Outback / 97-08 Legacy/Impreza EJ25 & EJ20 Timing Belt Auto Tensioner with Pulley - T43138
Only 4 leftRegular price $210.37Sale price $210.37 Regular priceUnit price per -
Up to $64.45 OFFVendor:Manley PerformanceManley Platinum Series Piston Set for 04+ Subaru WRX STI (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 - 612002C-4
Only 9 leftRegular price $741.18Sale price $741.18 Regular priceUnit price per$805.63 -
Up to $8.66 OFFVendor:Manley PerformanceManley Sport Compact 99.5mm Bore 1.2mm x 1.2mm x 2.0mm Standard Ring Set - 46995-4
Only 4 leftRegular price $164.51Sale price $164.51 Regular priceUnit price per$173.17 -
Vendor:ACLACL Subaru/Scion FA20 Standard Size w/ Extra Oil Clearance High Performance Rod Bearing Set - 4B8310HX-STD
Only 14 leftRegular price $85.93Sale price $85.93 Regular priceUnit price per -
Sold OutVendor:CleviteClevite H Main Bearing Set for Subaru WRX EJ205 EJ255 STI EJ257 Thrust Position 5
Regular price $203.19Sale price $203.19 Regular priceUnit price per -
950 BHPVendor:IAG PerformanceIAG 950 2.35L Destroked Long Block Engine w/ IAG 950 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT
Regular price From $14,599.99Sale price From $14,599.99 Regular priceUnit price per -
Up to $59.75 OFFVendor:Kelford CamsKelford Cams 272/276 Degree Camshafts for 2022+ Subaru WRX FA24 DIT - 269-A
Only 3 leftRegular price $1,135.25Sale price $1,135.25 Regular priceUnit price per$1,195.00 -
Vendor:SubaruSubaru Oil Cooler O-Ring / Gasket 07-21 STI, 22-25 BRZ, 15-25 WRX
Regular price $7.92Sale price $7.92 Regular priceUnit price per -
Vendor:SubaruSubaru Engine Gasket Kit For 2004-05 Subaru WRX 2.0L
Regular price $462.43Sale price $462.43 Regular priceUnit price per -
Up to $8.76 OFFVendor:GSC Power DivisionGSC Traditional Intake Valve Guide Set For Subaru EJ20 / EJ25 - 3028-8
Only 6 leftRegular price $49.65Sale price $49.65 Regular priceUnit price per$58.41 -
Up to $3.77 OFFVendor:GSC Power DivisionGSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Single - 2012-01
Regular price $21.38Sale price $21.38 Regular priceUnit price per$25.15 -
Up to $64.45 OFFVendor:Manley PerformanceManley Platinum Series Piston Set for 04+ Subaru WRX STI (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 - 612000C-4
Only 5 leftRegular price $741.18Sale price $741.18 Regular priceUnit price per$805.63 -
Vendor:ACLACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.025mm Oversized High Performance Main Bearin - 5M8309H-.025
Only 15 leftRegular price $172.32Sale price $172.32 Regular priceUnit price per -
Vendor:SubaruSubaru Cylinder Head Gasket (1) For 2004-06 Subaru STI
Regular price $63.95Sale price $63.95 Regular priceUnit price per -
Vendor:SubaruSubaru Engine Aluminum Gasket/Crush Washer for 02-21 WRX, 04-21 STI
Regular price $1.88Sale price $1.88 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 105K Service Package w/ AISIN Water Pump Fits 2002 Subaru WRX
Regular price $749.99Sale price $749.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 800 CNC Pocket Ported Competition Cylinder Heads Package for 2015-21 WRX
Regular price From $4,249.99Sale price From $4,249.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 1150 CNC Ported Drag Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price From $5,999.99Sale price From $5,999.99 Regular priceUnit price per -
Vendor:ACLACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) Standard Size High Performance Main Bearing Se - 5M8297H-STD
Regular price $170.07Sale price $170.07 Regular priceUnit price per -
Vendor:GSC Power DivisionGSC Intake Valve Guide Set with Depth Stopper For Subaru EJ20 / EJ25 - 3026-8
Regular price $49.65Sale price $49.65 Regular priceUnit price per -
Vendor:King Engine BearingsKing Engine Bearings Subaru EJ20/EJ22/EJ25 pMaxKote Performance Rod Bearing Set - Size +.026mm - CR4125XPGC.026
Only 4 leftRegular price $160.95Sale price $160.95 Regular priceUnit price per -
Up to $64.45 OFFVendor:Manley PerformanceManley Platinum Series Piston Set for 2002-05 Subaru WRX EJ20 (Oversize Bore: 92.5mm) - 615005C-4
Only 6 leftRegular price $741.18Sale price $741.18 Regular priceUnit price per$805.63
Engine Builds
IAG Performance carries oem replacement and high-performance engine building parts for your 2002-2023 Subaru WRX, STI, Legacy GT, Forester XT, and BRZ. We have all the parts you need for your Subaru such as Short blocks, Longs Blocks, Pistons, Cranks, Rods, Cases, Cylinder Heads, Camshafts, Sprockets, Pulleys, Gaskets, Timing Belts, Hardware, and more.
Here are just a few of the brands we carry-
ACL, ARP, ATI, Brian Crower, CP Pistons, Carrillo, Clevite, Fluidampr, GSC, Gates, HKS, IAG Performance, JE Pistons, JE Pro Seal, Kelford Cams, King Engine Bearings, Manley, Perrin, Radium Engineering, Subaru, Tomei, and more.