Optimize your Subaru STI 2008-2014 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through AIR INTAKE DUCTS and COLD AIR INTAKES, while maintaining engine cleanliness with AIR OIL SEPARATORS and CATCH CANS. Experience impeccable control and responsiveness with BLOW OFF VALVES and BOOST CONTROL SOLENOID COVERS, complemented by the reliability of ENGINE MOUNTS and meticulously crafted ENGINE MANAGEMENT HARNESSES. Simplify maintenance and improve overall performance with DIPSTICKS and explore comprehensive ENGINE PACKAGE DEALS for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru STI the edge on the road or track.
2008-2014 Subaru WRX STI Engine Parts
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Up to $56.25 offACL +005 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S5-.025
Regular price $139.00Sale price $139.00 Regular priceUnit price per$195.25 -
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S2-.025
Regular price $133.00Sale price $133.00 Regular priceUnit price per$133.00 -
Up to $56.25 offACL +005 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HXO/S5-STD
Regular price $139.00Sale price $139.00 Regular priceUnit price per$195.25 -
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HXO/S2-STD
Regular price $133.00Sale price $133.00 Regular priceUnit price per$133.00 -
ACL +005 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S5-STD
Regular price $142.00Sale price $142.00 Regular priceUnit price per$142.00 -
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S2-STD
Regular price $133.00Sale price $133.00 Regular priceUnit price per$133.00 -
IAG Performance 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT Blemished EJ Competition Series Oil Pan | Black / Condition B09 | BLEM-ENG-2203BK-B09
Regular price $599.99Sale price $599.99 Regular priceUnit price per$599.99 -
IAG Performance 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT Blemished EJ Street Series Oil Pan | Black / Condition B07 | BLEM-ENG-2200BK-B07
Regular price $479.99Sale price $479.99 Regular priceUnit price per$479.99 -
IAG Performance 02-14 WRX / 04-21 STI / 05-09 LGT / 04-13 FXT Blemished EJ Street Series Oil Pan | Black / Condition B09 | BLEM-ENG-2200BK-B09
Regular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
Wiseco EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock | 6598M100
Regular price $216.99Sale price $216.99 Regular priceUnit price per$216.99 -
GReddy 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Timing Belt | 13564500
Regular price $258.00Sale price $258.00 Regular priceUnit price per$258.00 -
IAG Performance Replacement V3 AOS 20" Coolant Line & Fitting
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT
Regular price $49.99Sale price $49.99 Regular priceUnit price per$49.99 -
IAG 06-14 WRX, 04-21 STI Air / Oil Separator | AOS Competition to Street Series Conversion Kit | IAG-ENG-7113
Regular price $104.99Sale price $104.99 Regular priceUnit price per$104.99 -
IAG AOS Strut Tower Mounting Bracket
Fits: 08-20 WRX/STI, 05-09 LGT
Regular price $39.99Sale price $39.99 Regular priceUnit price per$39.99 -
IAG Performance Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $17,999.99Sale price $17,999.99 Regular priceUnit price per$17,999.99 -
Torque Solution 06-07 WRX / 04-21 STI Throttle Body Spacer Red | TS-TBS-027R
Regular price $78.00Sale price $78.00 Regular priceUnit price per$78.00
