Collection: Drivetrain Upgrades For Subaru WRX S4 VA
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ACT Heavy Duty Race Rigid 4 Pad Clutch Kit | Multiple Subaru Fitments (SB5-HDR4)
Vendor:ACTRegular price $916.00 USDRegular priceUnit price / per$1,131.00 USDSale price $916.00 USDSale -
ACT Heavy Duty Race Rigid 6 Pad Pressure Plate Clutch | Subaru WRX (06-21) (SB5-HDR6)
Vendor:ACTRegular price $954.00 USDRegular priceUnit price / per$1,178.00 USDSale price $954.00 USDSale -
Whiteline KDT901 Gearbox Shift Bushings | Subaru WRX/STI, Forester XT (04-23) (KDT901)
Vendor:WhitelineRegular price $54.28 USDRegular priceUnit price / per$77.88 USDSale price $54.28 USDSale -
Action Clutch HD Clutch Kit | Subaru WRX (15-18) FA20DIT (ACR-1816-2OS)
Vendor:Action ClutchRegular price $511.38 USDRegular priceUnit price / per$527.81 USDSale price $511.38 USDSale -
ACT Heavy Duty Race Sprung 4 Puck Disc Clutch Kit | Subaru WRX (06-21) (SB5-HDG4)
Vendor:ACTRegular price $971.00 USDRegular priceUnit price / per$1,199.00 USDSale price $971.00 USDSale -
Whiteline Rear Diff - Mount in Cradle Bushing | Multiple Fitments (KDT906)
Vendor:WhitelineRegular price $54.28 USDRegular priceUnit price / per$77.88 USDSale price $54.28 USDSale -
Action Clutch Stage 3 Clutch Kit 2015-18 Subaru WRX | 2.0L DOHC Turbo AWD (ACR-1818)
Vendor:Action ClutchRegular price $514.67 USDRegular priceUnit price / per$531.21 USDSale price $514.67 USDSale -
Whiteline Rear Differential Mount-In Cradle Bushings | Multiple Subaru Fitments (KDT903)
Vendor:WhitelineRegular price $54.99 USDRegular priceUnit price / per$78.88 USDSale price $54.99 USDSale -
ACT 06-25 Subaru WRX XT/Race Sprung 6 Pad Clutch Kit | Subaru WRX (06-25) (SB12-XTG6)
Vendor:ACTRegular price $1,223.60 USDRegular priceUnit price / per$1,610.00 USDSale price $1,223.60 USDSale -
SuperPro Rear Differential Centre Rear Support Void Filler | 2015 - 2022 Subaru WRX (SPF4297K)
Vendor:SuperproRegular price $23.99 USDRegular priceUnit price / per$33.99 USDSale price $23.99 USDSale -
ACT Mod Twin XT Rigid Hub Race Kit w/ 6-Pad Discs | Subaru WRX STI (04-21) (T2R-S07)
Vendor:ACTRegular price $2,047.00 USDRegular priceUnit price / per$2,527.00 USDSale price $2,047.00 USDSale -
ACT Monoloc One Piece Collar | Subaru Impreza (02) (884006P)
Vendor:ACTRegular price $85.00 USDRegular priceUnit price / per$105.00 USDSale price $85.00 USDSale -
Braided Stainless Clutch Line by Cusco | Subaru Multiple Fitments (CUS 660 022 CL)
Vendor:CuscoRegular price $100.00 USDRegular priceUnit price / per$125.00 USDSale price $100.00 USDSale -
XClutch Stage 2 Ceramic Clutch Kit | Subaru WRX/Legacy/ Saab 9-2X (XKSU23015-1B)
Vendor:XCLUTCHRegular price $702.66 USDRegular priceUnit price / per$903.41 USDSale price $702.66 USDSale -
Action Clutch Stage 2 Clutch Kit FA20DIT | Subaru WRX (ACR-1817-FW)
Vendor:Action ClutchRegular price $823.49 USDRegular priceUnit price / per$849.96 USDSale price $823.49 USDSale -
Action Clutch Stage 1 Clutch Kit | Subaru WRX (18-21) 2.0L FA20DIT Turbo AWD (ACR-1816-FW)
Vendor:Action ClutchRegular price From $564.08 USDRegular priceUnit price / per$582.21 USDSale price From $564.08 USDSale -
Action Clutch Stage 1 HD Clutch Kit | Subaru WRX STI (04-21)
Vendor:Action ClutchRegular price From $573.71 USDRegular priceUnit price / per$573.71 USDSale price From $573.71 USD -
ACT HD Twin Organic Street Clutch Kit | Subaru WRX STI (04-21) (T1S-S07)
Vendor:ACTRegular price $1,929.00 USDRegular priceUnit price / per$2,381.00 USDSale price $1,929.00 USDSale -
Torque Solution Shifter & Rear Bushings Combo | 2004-2016 Subaru WRX STI (TS-SU-006C)
Vendor:Torque SolutionRegular price $53.33 USDRegular priceUnit price / per$66.65 USDSale price $53.33 USDSale -
ACT Mod Twin XT Street Clutch Kit | Subaru WRX STI (04-21) (T2S-S05)
Vendor:ACTRegular price $2,006.00 USDRegular priceUnit price / per$2,477.00 USDSale price $2,006.00 USDSale
Enhance Your Subaru WRX S4 VA with Premium Drivetrain Upgrades
Optimize your Subaru WRX S4 VA’s performance with drivetrain upgrades designed to improve power delivery, response, and durability. This collection offers carefully selected components that address clutch engagement, shifting precision, and differential efficiency to elevate your driving experience.
What are the benefits of upgrading your WRX S4 VA clutch and flywheel?
Upgrading clutch and flywheel assemblies can significantly improve throttle response and shift feel by reducing rotational mass and increasing engagement precision. These components help your WRX handle increased power and aggressive driving without sacrificing reliability.
- Quicker clutch engagement for faster gear changes
- Improved pedal feel and modulation
- Enhanced durability under high-stress conditions
How do precision shifters and reinforced mounts improve drivetrain performance?
Precision shifters reduce slop and provide a more direct connection between your hand and the transmission, resulting in smoother, more confident gear changes. Reinforced mounts minimize drivetrain movement, which helps maintain alignment and reduces wear on components, translating to better power transfer and longevity.
Which differential and axle upgrades should Subaru WRX S4 VA owners consider?
Upgraded axles and differential parts enhance traction and strength, especially under demanding driving conditions. Stronger axles resist bending or breaking, while improved differential components optimize power distribution to the wheels. Explore our selection to find parts tailored to your WRX S4 VA’s needs and elevate your drivetrain’s reliability and performance at WheelFlip.






