Collection: Engine Upgrades For Subaru WRX S4 VA
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Radium Air/Oil Separator Kit | 15-21 Subaru WRX / 14-18 FXT (20-0258-00)
Vendor:Radium EngineeringRegular price $399.97 USDRegular priceUnit price / per$499.95 USDSale price $399.97 USDSale -
GSC Power-Division Viton Valve Stem Seals | Subaru EJ-Series Engines (1022)
Vendor:GSC Power DivisionRegular price $13.80 USDRegular priceUnit price / per$16.75 USDSale price $13.80 USDSale -
GSC Power-Division OEM Valve Spring Seats | 2002-2014 Subaru WRX/STi (1005)
Vendor:GSC Power DivisionRegular price $21.74 USDRegular priceUnit price / per$26.40 USDSale price $21.74 USDSale -
GSC Power Division GSC Intake Valve Sets -STD | 2015 - 2021 Subaru FA20F WRX (B2282-50)
Vendor:GSC Power DivisionRegular price $906.71 USDRegular priceUnit price / per$1,101.00 USDSale price $906.71 USDSale -
GSC Power Division GSC Exhaust Valve Sets -STD | 2015 - 2021 Subaru FA20F WRX (B2281-50)
Vendor:GSC Power DivisionRegular price $913.29 USDRegular priceUnit price / per$1,109.00 USDSale price $913.29 USDSale -

GSC Power-Division Beehive Valve Springs w/ Titanium Retainers | Multiple Subaru Fitments (5043)
Vendor:GSC Power DivisionRegular price $387.46 USDRegular priceUnit price / per$470.49 USDSale price $387.46 USDSale -
Brian Crower Spring Retainer Kit | 2002+ Subaru WRX/STi (BC0600)
Vendor:Brian CrowerRegular price From $83.58 USDRegular priceUnit price / per$96.00 USDSale price From $83.58 USDSale -
Brian Crower 36mm Exhaust Valve Single Valve | 2002 - 2014 Subaru WRX (BC3601-S-1)
Vendor:Brian CrowerRegular price $21.45 USDRegular priceUnit price / per$24.63 USDSale price $21.45 USDSale -
Brian Crower Single Valve Spring and Steel Retainer Kit | Subaru Multiple Fitments (BC0600S)
Vendor:Brian CrowerRegular price $195.00 USDRegular priceUnit price / per$195.00 USDSale price $195.00 USD -
Brian Crower Dual Spring Titanium Retainer Kit | 2002+ Subaru EJ-Series (BC0610)
Vendor:Brian CrowerRegular price $471.86 USDRegular priceUnit price / per$542.00 USDSale price $471.86 USDSale -
Brian Crower 6mm Titanium Retainers | 2010-2014 Subaru WRX/STI (BC2300-16)
Vendor:Brian CrowerRegular price $177.60 USDRegular priceUnit price / per$204.00 USDSale price $177.60 USDSale -
ACT Pilot Bearing | Toyota Tacoma 2002 (PB1004)
Vendor:ACTRegular price $7.00 USDRegular priceUnit price / per$9.00 USDSale price $7.00 USDSale -
K&N Oil Filter | 2015+ Subaru WRX / 2008-2015 Mitsubishi Evo X (HP-1004)
Vendor:K&N EngineeringRegular price $11.82 USDRegular priceUnit price / per$17.99 USDSale price $11.82 USDSale -

Perrin Steering Dampener Lockdown | 2008-2023 Subaru WRX & 2010-2014 Subaru Legacy GT (67660)
Vendor:Perrin PerformanceRegular price $69.38 USDRegular priceUnit price / per$111.00 USDSale price $69.38 USDSale -
Perrin Performance Firewall Grommet | 2015-2017 Subaru WRX / STI (ASM-GAU-120)
Vendor:Perrin PerformanceRegular price $11.88 USDRegular priceUnit price / per$19.00 USDSale price $11.88 USDSale -
Perrin FMIC Hose Clamp Kit | 2015-2017 Subaru WRX (PSP-ITR-414)
Vendor:Perrin PerformanceRegular price $48.00 USDRegular priceUnit price / per$64.00 USDSale price $48.00 USDSale -
Torque Solution Lightweight Crank Pulley | Subaru Impreza WRX/Legacy (02-14) (TS-SU-207A)
Vendor:Torque SolutionRegular price $88.88 USDRegular priceUnit price / per$111.10 USDSale price $88.88 USDSale -
Torque Solution Engine & Trans Mount Kit | Subaru WRX (02-14)/STI (04-21) (TS-SU-250.2)
Vendor:Torque SolutionRegular price $471.11 USDRegular priceUnit price / per$588.88 USDSale price $471.11 USDSale -

Torque Solution Engine Mounts | 2002-2014 Subaru WRX and 2004-2021 Subaru WRX STI (TS-SU-200)
Vendor:Torque SolutionRegular price $231.11 USDRegular priceUnit price / per$288.88 USDSale price $231.11 USDSale -
Torque Solution Engine Mounts | 2015-2021 Subaru WRX and 2014-2018 Subaru Forester XT (TS-SU-291)
Vendor:Torque SolutionRegular price $297.77 USDRegular priceUnit price / per$372.21 USDSale price $297.77 USDSale
Engine Upgrades for Subaru WRX S4 VA: Boost Power and Performance
Unlock the full potential of your Subaru WRX S4 VA with engine upgrades designed specifically for this model. Our collection focuses on enhancing power delivery, throttle response, and engine efficiency to elevate your driving experience. Whether you want to increase horsepower, improve reliability, or refine your exhaust note, these parts deliver targeted performance gains.
What are the benefits of upgrading your Subaru WRX S4 VA’s engine components?
Upgrading key engine components can significantly improve your WRX S4 VA’s responsiveness and overall power output. Performance intakes and exhausts optimize airflow, while tuning accessories help your engine run more efficiently under load. These upgrades also contribute to a more engaging driving experience by sharpening throttle response and enhancing engine sound.
- Improved air intake and exhaust flow for better combustion
- Enhanced throttle response and smoother power delivery
- Increased engine efficiency and potential for higher output
- Refined engine sound tailored to your preferences
How to choose the right engine upgrades for your Subaru WRX S4 VA?
Selecting the right parts depends on your performance goals and daily driving needs. Consider whether you want to focus on power gains, reliability, or sound enhancement. Intake and exhaust components are common starting points, while tuning accessories allow for precise engine management. Always ensure parts are designed for the WRX S4 VA platform to guarantee fitment and compatibility.
Supporting modifications and where to shop Subaru WRX S4 VA engine upgrades
Supporting modifications such as upgraded intercoolers, blow-off valves, and catch cans can complement your engine upgrades by improving cooling and reliability. Proper installation and tuning are essential to maximize benefits. Explore our curated selection of engine upgrades for the Subaru WRX S4 VA at WheelFlip to find quality aftermarket parts with fitment confidence and expert support.






