2004-2007 Subaru STi - Engine

Killer B Adapter (OEM to 1/8in NPT), 2002-2014 WRX & 2004-2021 STi

Killer B Adapter (M18 to NPT), 2002-2014 WRX & 2004-2021 STi

Killer B Adapter (M18 to PT), 2002-2014 WRX & 2004-2021 STi

Killer B Oil Control Valve, 2002-2007 WRX & 2004-2007 STi

Manley Platinum Forged Piston (Grade A, 8.5cr, 99.5mm, Single Piston), 2004-2021 STi & 2006-2014 WRX

Injector Dynamics Fuel Hose Kit For Side Feed Conversion Kit, 2004-2006 STi

Injector Dynamics ID1300-XDS Fuel Injectors (1300cc, Set/4), 2002-2014 WRX & 2007-2021 STi

King XP Connecting Rod Bearings (+0.25mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Connecting Rod Bearings (+0.5mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Connecting Rod Bearings (+0.026mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Connecting Rod Bearings (Standard Size, Set), 2002-2014 WRX & 2004-2021 STi

King XP Main Bearings (+0.25mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Main Bearings (+0.5mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Main Bearings (+0.026mm, Set), 2002-2014 WRX & 2004-2021 STi

King XP Main Bearings (Standard Size, Set), 2002-2014 WRX & 2004-2021 STi

Injector Dynamics Top Feed Conversion Kit w/ Billet Rails & ID1300-XDS Injectors, 2004-2006 STi

Killer B Oil Pan Hardware Kit (For Killer B Oil Pan), 2002-2014 WRX & 2004-2021 STi

JE FSR Pistons (100mm, 9.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

JE FSR Pistons (99.5mm, 9.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

JE FSR Pistons (99.75mm, 9.5cr, Set/4), 2004-2021 STi & 2006-2014 WRX

HKS Upgraded Timing Belt, 2002-2014 WRX & 2004-2021 STi

NGK Laser Iridium Spark Plugs (#6481/ILFR6B, Stock Heat Range, Box/4), 2004-2007 STi & 2006-2007 WRX

Manley H-Tuff Connecting Rods (Set/4), 2002-2014 WRX & 2004-2021 STi