2021 Subaru Wrx-sti Motor Builds Upgrades

Tomei Head Gaskets 101.0 Bore 1.5MM Thickness - Subaru Models (Inc. 2006-2014 Subaru WRX / 2004-2021 STI)

Manley Performance Turbo Tuff Series Crankshaft 79mm Subaru EJ25 Models - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

GrimmSpeed Blow Off Valve Flange Gasket - 2015-2021 Subaru STI

Manley 15024-4 Forged H Beam Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Polished) - 2015-2021 Subaru STI

Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Purple) - 2015-2021 Subaru STI

Gates Timing Belt Kit - 2015-2021 Subaru STI

GSC Power-Division Viton Valve Stem Seals - Subaru EJ Turbo Models (inc. 2002-2014 WRX / 2004-2021 STI)

IAG 550 Street Cylinder Heads Package for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

ACL Race Main Bearings Undersized -.020in - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

GSC Power-Division Camshafts S1 - 2015-2021 Subaru STI

Dress Up Bolts Titanium Hardware Intercooler Kit for EJ257 Engine (Black) - 2015-2021 Subaru STI

IAG 750 Closed Deck Long Block Engine w/ IAG 750 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

PERRIN Lightweight Crank Pulley for FA/FB Engines with Large Hub - Subaru Models (Inc. 2015-2024 Subaru WRX / 2015-2021 STI / 2014-2024 Forester / 2013-2024 BRZ / 2013-2016 Scion FR-S / 2022-2024 Toyota GR86)

IAG 1150 CNC Ported Drag Cylinder Heads Package for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

Wiseco Pistons Subaru EJ20/25 Turbo130.5mm Boostline Connecting Rods - 2015-2021 Subaru STI

Manley Performance Ring-99.5/99.55 Mm 1.2 Mm 1.2 Mm 2.0 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

IAG 950 2.35L Destroked Long Block Engine w/ IAG 950 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads & S3 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

PERRIN Lightweight Crank Pulley for FA/FB Engines with Large Hub (Black) - Subaru Models (Inc. 2015-2024 Subaru WRX / 2015-2021 STI / 2014-2024 Forester / 2013-2024 BRZ / 2013-2016 Scion FR-S / 2022-2024 Toyota GR86)