2015-2021 Subaru WRX STI Drivetrain Performance Parts
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In StockKartboy 6 Spd Shifter Subaru STI 2004+ | KB-20-STi
Regular price $185.00Sale price $185.00 Regular priceUnit price per$185.00 -
![South Bend [04-21 STI] Steel Flywheel | SBCSUB1000 - JDMuscleFlywheelssbcSBCSUB1000](//jdmuscleusa.com/cdn/shop/products/south-bend-04-21-sti-steel-flywheel-sbcsub1000-6932256.jpg?v=1781013622&width=220)
Up to $11.24 off
In StockSouth Bend Steel Flywheel | SBCSUB1000
Fits: 04-21 STI
Only 4 leftRegular price $363.30Sale price $363.30 Regular priceUnit price per$374.54 -
Up to $49.19 offXClutch Clutch Kit Stage 1X Single Sprung Organic Disc HD Subaru STI 2004-21 | XKSU24001-1AX
Regular price $742.00Sale price $742.00 Regular priceUnit price per$791.19 -
![XClutch [04-21 STI] Lightweight Chromoly Flywheel | XFSU003CL](//jdmuscleusa.com/cdn/shop/products/XClutch-Flywheel-Lightweight-Chromoly-Subaru-STI-2004-2021_80c9bac0-56d4-453a-b99a-f6f95dd76bab.jpg?v=1629833204&width=220)
Up to $51.92 off
In StockXClutch Lightweight Chromoly Flywheel | XFSU003CL
Fits: 04-21 STI
Only 3 leftRegular price $467.32Sale price $467.32 Regular priceUnit price per$519.24 -
Torque Solution Shifter Pivot Bushings
Fits: 04-21 STI
Regular price $31.00Sale price $31.00 Regular priceUnit price per$31.00 -
In StockTorque Solution Billet Reverse Lockout Collar Subaru Models / Universal 12x1.25
Only 1 leftRegular price $25.00Sale price $25.00 Regular priceUnit price per$25.00 -
Up to $8.75 off
In StockPerrin Shifter Bushings
Fits: 02-14 WRX, 04-21 STI
Regular price $26.25Sale price $26.25 Regular priceUnit price per$35.00 -
![Cusco [02-05 WRX, 04-05 STI, 15-21 STI] Engine / Transmission Mount Set | 660-911-SET](//jdmuscleusa.com/cdn/shop/products/cusco-motor-mount-set-subaru-wrx-sti-2002-2005-engine-mounts-cusco-cus660-911-set.jpg?v=1614512522&width=220)
![Cusco [02-05 WRX, 04-05 STI, 15-21 STI] Engine / Transmission Mount Set | 660-911-SET](//jdmuscleusa.com/cdn/shop/files/cusco-engine-transmission-mount-set-2002-2005-wrx-2004-2005-sti-2015-2021-sti-660-911-set-752534_626x418_a9d7d5b5-3101-4011-94e4-6c152209ad8c.jpg?v=1687211187&width=220)
Up to $58 off
In StockCusco Engine / Transmission Mount Set | 660-911-SET
Fits: 02-05 WRX, 04-05 STI, 15-21 STI
Only 5 leftRegular price $307.00Sale price $307.00 Regular priceUnit price per$365.00 -
Up to $93 off
In StockCompetition Clutch Full Face Dual Friction Stage 3 Clutch Kit | 15030-2250
Fits: 04-20 STI
Only 2 leftRegular price $552.00Sale price $552.00 Regular priceUnit price per$645.00 -
![ACT [02-19 WRX/STI] Alignment Tool | AT90](//jdmuscleusa.com/cdn/shop/products/act-alignment-tool-subaru-wrx-sti-2002-2019-at90-clutch-replacement-parts-act-actat90.jpg?v=1614511733&width=220)
Up to $1 off
In StockACT Alignment Tool
Fits: 02-26 WRX/STI
Regular price $4.00Sale price $4.00 Regular priceUnit price per$5.00 -
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](//jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-4624261.jpg?v=1770327908&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](//jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-2231947.jpg?v=1770327909&width=220)
In StockKartboy Rear Diff/Carrier Wedge Lock System | KB-003-WEDGE
Fits: 15-21 WRX/STI
Regular price $100.00Sale price $100.00 Regular priceUnit price per$100.00 -
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-9816923.jpg?v=1770327978&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-2484068.jpg?v=1770327978&width=220)
COBB Stage 2 Drivetrain Package
Fits: 04-21 STI
Regular price $405.00Sale price $405.00 Regular priceUnit price per$405.00 -
In StockTorque Solution 04-21 STI / 07-09 Legacy GT Spec B. Solid Shifter Bushings 6 Speed | TS-SU-006SB
Only 15 leftRegular price $57.00Sale price $57.00 Regular priceUnit price per$57.00 -
Up to $20 off
In StockCusco 15-21 WRX / 04-21 STI Braided Stainless Steel Clutch Line | 672-022-CL
Only 2 leftRegular price $105.00Sale price $105.00 Regular priceUnit price per$125.00 -
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](//jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-8898103.jpg?v=1770331211&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](//jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-4495795.jpg?v=1770331211&width=220)
IAG Race Series Pitch Stop Mount
Fits: 02-25 WRX, 04-21 STI, 05-09 LGT
Regular price From $124.99Sale price From $124.99 Regular priceUnit price per$124.99 -
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](//jdmuscleusa.com/cdn/shop/products/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-2581671.jpg?v=1770332057&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](//jdmuscleusa.com/cdn/shop/files/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-7196237.jpg?v=1770332057&width=220)
SuperPro Gear Box Cross Member Isolator Mounts | SPF3199K
Fits: 08-25 WRX/STI / 05-09 LGT
Regular price $39.99Sale price $39.99 Regular priceUnit price per$39.99
![South Bend [04-21 STI] Steel Flywheel | SBCSUB1000 - JDMuscleFlywheelssbcSBCSUB1000](http://jdmuscleusa.com/cdn/shop/products/south-bend-04-21-sti-steel-flywheel-sbcsub1000-6932256.jpg?v=1781013622&width=220)
![XClutch [04-21 STI] Lightweight Chromoly Flywheel | XFSU003CL](http://jdmuscleusa.com/cdn/shop/products/XClutch-Flywheel-Lightweight-Chromoly-Subaru-STI-2004-2021_80c9bac0-56d4-453a-b99a-f6f95dd76bab.jpg?v=1629833204&width=220)
![Cusco [02-05 WRX, 04-05 STI, 15-21 STI] Engine / Transmission Mount Set | 660-911-SET](http://jdmuscleusa.com/cdn/shop/products/cusco-motor-mount-set-subaru-wrx-sti-2002-2005-engine-mounts-cusco-cus660-911-set.jpg?v=1614512522&width=220)
![Cusco [02-05 WRX, 04-05 STI, 15-21 STI] Engine / Transmission Mount Set | 660-911-SET](http://jdmuscleusa.com/cdn/shop/files/cusco-engine-transmission-mount-set-2002-2005-wrx-2004-2005-sti-2015-2021-sti-660-911-set-752534_626x418_a9d7d5b5-3101-4011-94e4-6c152209ad8c.jpg?v=1687211187&width=220)
![ACT [02-19 WRX/STI] Alignment Tool | AT90](http://jdmuscleusa.com/cdn/shop/products/act-alignment-tool-subaru-wrx-sti-2002-2019-at90-clutch-replacement-parts-act-actat90.jpg?v=1614511733&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](http://jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-4624261.jpg?v=1770327908&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](http://jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-2231947.jpg?v=1770327909&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-9816923.jpg?v=1770327978&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-2484068.jpg?v=1770327978&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](http://jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-8898103.jpg?v=1770331211&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](http://jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-4495795.jpg?v=1770331211&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](http://jdmuscleusa.com/cdn/shop/products/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-2581671.jpg?v=1770332057&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](http://jdmuscleusa.com/cdn/shop/files/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-7196237.jpg?v=1770332057&width=220)