Collection: Drivetrain Upgrades For Subaru Legacy B4 BL
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COBB Stage 1 Drivetrain Package w/ Adj Shifter | Subaru Legacy GT Spec B (07-09) (224X01)
Vendor:COBBRegular price $285.00 USDRegular priceUnit price / per$285.00 USDSale price $285.00 USD -
COBB Stage 1 Drivetrain Package w/ Adj Shifter | Subaru WRX (08-14) / Legacy GT/Outback XT (05-09) / Forester XT 5MT (06-08) (214X01)
Vendor:COBBRegular price $235.00 USDRegular priceUnit price / per$235.00 USDSale price $235.00 USD -
COBB Stage 1+ Double Adj Drivetrain Package | Subaru WRX/Legacy GT/Outback XT/Forester XT 5MT (05-14) (214X01P-W-RD)
Vendor:COBBRegular price $320.00 USDRegular priceUnit price / per$320.00 USDSale price $320.00 USD -
COBB F&R Shifter Bush Pack 5-Speed | Subaru WRX (02-14)/Legacy GT/Forester XT/Outback XT (21132X)
Vendor:COBBRegular price $80.00 USDRegular priceUnit price / per$80.00 USDSale price $80.00 USD -
Competition Clutch Strip Series 1620 Clutch Kit | Multiple Fitments (15021-1620)
Vendor:Competition ClutchRegular price $514.71 USDRegular priceUnit price / per$625.00 USDSale price $514.71 USDSale -
SuperPro SPF Differential Mount Bushings | 2015+ Subaru WRX/STI (SPF3201K)
Vendor:SuperproRegular price $71.28 USDRegular priceUnit price / per$100.99 USDSale price $71.28 USDSale -
Exedy Organic Stage 1 Clutch Kit | Multiple Subaru Fitments (15804)
Vendor:ExedyRegular price $294.33 USDRegular priceUnit price / per$404.72 USDSale price $294.33 USDSale -
Exedy Racing Stage 2 Cerametallic Clutch Kit | Multiple Subaru Fitments (15952)
Vendor:ExedyRegular price $439.34 USDRegular priceUnit price / per$604.11 USDSale price $439.34 USDSale -

ACT HD/Race 4 Pad Clutch Kit | Subaru Impreza/Legacy/Forester/Outback/B9 Tribeca (92-25) (SB12-HDG4)
Vendor:ACTRegular price $1,150.64 USDRegular priceUnit price / per$1,514.00 USDSale price $1,150.64 USDSale -
COBB Rear Shifter Bush | Subaru WRX (02-14) STI (04-21) BRZ (13-21) Legacy GT/Forester XT/Outback XT (05-09) (211330)
Vendor:COBBRegular price $55.00 USDRegular priceUnit price / per$55.00 USDSale price $55.00 USD -
ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)
Vendor:ACTRegular price $1,107.32 USDRegular priceUnit price / per$1,457.00 USDSale price $1,107.32 USDSale -
ACT 6-Pad Rigid Race Clutch Kit | Subaru WRX XT (06-25) (SB12-XTR6)
Vendor:ACTRegular price $1,171.16 USDRegular priceUnit price / per$1,541.00 USDSale price $1,171.16 USDSale -

ACT 06-25 Subaru WRX XT Race Rigid 4 Pad Clutch Kit | Subaru WRX / STI (EJ18/20/22/25) (SB12-XTR4)
Vendor:ACTRegular price $1,154.44 USDRegular priceUnit price / per$1,519.00 USDSale price $1,154.44 USDSale -
ACT 4-Pad Race Clutch Kit | Subaru WRX XT (06-25) (SB12-XTG4)
Vendor:ACTRegular price $1,197.76 USDRegular priceUnit price / per$1,576.00 USDSale price $1,197.76 USDSale -

ACT Heavy Duty Performance Street Sprung Clutch Kit | Subaru WRX (Excl. STI) (06-25) (SB12-HDSS)
Vendor:ACTRegular price $1,129.36 USDRegular priceUnit price / per$1,486.00 USDSale price $1,129.36 USDSale -
ACT Sprung Clutch Kit | Subaru WRX XT (06-25) (SB12-XTSS)
Vendor:ACTRegular price $1,176.48 USDRegular priceUnit price / per$1,548.00 USDSale price $1,176.48 USDSale -
ACT HD/Race Rigid 6 Pad Clutch Kit | Subaru WRX (06-25) (SB12-HDR6)
Vendor:ACTRegular price $1,124.04 USDRegular priceUnit price / per$1,479.00 USDSale price $1,124.04 USDSale -
ACT 10-25 Subaru WRX Prolite Flywheel | Subaru WRX (10-25) (600895)
Vendor:ACTRegular price $360.24 USDRegular priceUnit price / per$474.00 USDSale price $360.24 USDSale -
ACT Performance Street Sprung Clutch Disc | Subaru Impreza (1994) (3000501)
Vendor:ACTRegular price $173.00 USDRegular priceUnit price / per$213.00 USDSale price $173.00 USDSale -
ACT Xtreme Perf Street Sprung Clutch Kit | Subaru WRX / Forester XT / Baja (02-05) (SB9-XTSS)
Vendor:ACTRegular price $791.00 USDRegular priceUnit price / per$976.00 USDSale price $791.00 USDSale
Drivetrain Upgrades for Subaru Legacy B4 BL: Enhance Power and Durability
Optimize your Subaru Legacy B4 BL’s performance with our specialized drivetrain upgrades collection. Designed to improve power delivery, response, and reliability, these parts are precision-engineered for your Legacy B4 BL to ensure seamless fitment and confident installation.
What are the key benefits of upgrading your Legacy B4 BL drivetrain?
Upgrading drivetrain components can significantly improve how your Legacy B4 BL transfers power to the wheels, resulting in smoother acceleration and better overall responsiveness. Enhanced durability also reduces the risk of premature wear or failure, especially under spirited driving or increased power levels.
- Improved clutch engagement for more precise power transfer
- Stronger axles and differential parts to handle increased torque
- Upgraded mounts and shifters for a more direct and solid shifting feel
How to choose the right drivetrain components for your Subaru Legacy B4 BL?
Selecting the right parts depends on your driving goals and current setup. Consider clutch and flywheel upgrades if you want sharper engagement and quicker throttle response. Transmission mounts and shifters improve shifting feel and reduce drivetrain movement. For enhanced reliability, look for reinforced axles and differential components designed to withstand higher stress.
Why shop drivetrain upgrades for Subaru Legacy B4 BL at WheelFlip?
WheelFlip offers a curated selection of drivetrain parts tailored specifically for the Legacy B4 BL, ensuring proper fitment and performance. Our collection focuses on quality aftermarket components that balance durability and drivability, helping you unlock smoother power delivery and longer drivetrain life. Explore our drivetrain upgrades today to elevate your Subaru’s performance with confidence.















