2018 Subaru Wrx-sti Motor Builds Upgrades
WRX STI Upgrades by WRX STI Experts.
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13 In Stock
MB5382XPGC
King Crankshaft Main Bearings SUBARU EJ20/EJ22/EJ25 - 2002-2014 Subaru WRX / 2004-2021 STI
5 In Stock
11138-8
Manley Performance Race Flo Stainless Steel Intake Valves - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)
15 In Stock
2013-8
GSC Power-Division Stainless Steel Exhaust Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI
IAG-ENG-5120
IAG Performance Adjustable Timing Idler Kit - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza
583
Company23 Small Idler Longer Pulley Bolt - Subaru DOHC EJ Turbo Models (inc. 2015-2021 STI / 2004-2012 Forester / 2003-2014 Impreza)
SUB-017-TI-PRP
Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Purple) - 2015-2021 Subaru STI
2 In Stock
15024R6-4
Manley Performance H-Plus Forged Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)
TA301A-SB02D
Tomei Procam Camshaft Set 272 Dual AVCS - 2008-2021 Subaru STI
TB101A-SB01A
Tomei Timing Belt - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 Subaru STI)
14 In Stock
2015-8
GSC Power-Division Super Alloy Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI
7 In Stock
K598M995AP
Wiseco Piston Set (99.5mm Bore 8.9:1 Compression) - 2006-2014 Subaru WRX / 2004-2021 Subaru STI
IAG-ENG-H550WE
IAG 550 Street Cylinder Heads Package - W25 Heads (No Cams & Lifters / No Chamber Mods) - 2008-2018 Subaru STI
6 In Stock
BC0624
Brian Crower Stage 3 280 Camshafts Dual AVCS - 2015-2021 Subaru STI / 2008-2014 Impreza
11 In Stock
260-4704
ARP Fasteners Custom Age 625+ Head Stud Kit - 2004-2021 Subaru STI / 2002-2014 WRX
220-A
Kelford High Torque Cam Set - 2002-2014 Subaru WRX / 2004-2021 STI
19 In Stock
PSP-ENG-100RD
PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)
10 In Stock
612005C-4
Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)
ACC-022-TI-PRP
Dress Up Bolts Titanium Hardware Wing Kit (APR GTC-300 STI Spec Wing) - Purple - 2015-2021 Subaru STI
1 In Stock
IAG-ENG-H550NE
IAG 550 Street Cylinder Heads Package - N25 Heads (No Cams & Lifters / No Chamber Mods) - 2018-2019 Subaru STI Type RA / 2019-2021 STI
IAG-ENG-S950
IAG 950 EJ25 Subaru Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)
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