A built head will most certainly benefit from these camshafts
This kit addresses that comprehensively
Whiteline Sway Bar Front Link Kit - 2020-2024 Toyota Supra
Gates Timing Belt Kit w Water Pump Subaru WRX 2002-2003 RallySport Direct proudly carries a great selection of Gates Timing Belt Kits
Torque Solution's billet example will absorb all of the abuse and will get all of the power to the ground quicker
OVERTAKE Turbo Heatshield - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Outback XT, 2005-2009 Legacy GT PDM_windshield-shades A built head will mostYour factory heat shield gets cut or tossed the moment you install an aftermarket downpipe and your intercooler pays for it every time you drive. The stock turbo heat shield does its job, but it's designed around the OEM downpipe. Swap that pipe and the factory shield either won't clear or has to be butchered to fit. The OVERTAKE EJ Turbo Heatshield, engineered for the WRX, STI, Forester XT, Outback XT, and Legacy GT, solves this with 304 stainless