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Vendor:KartboyKartboy Rear Differential Carrier Wedge Lock System For 2015-21 WRX & STI
Only 1 leftRegular price $90.00Sale price $90.00 Regular priceUnit price per -
Up to $12 OFFVendor:ACTACT Clutch Release Bearing For 2013-20 Subaru BRZ, 13-16 FR-S, 17-20 86
Only 2 leftRegular price $53.00Sale price $53.00 Regular priceUnit price per$65.00 -
Up to $14.85 OFFVendor:Perrin PerformancePERRIN Short Shifter Adaptor For 2004-21 Subaru STI 6spd - PSP-INR-220
Only 9 leftRegular price $84.15Sale price $84.15 Regular priceUnit price per$99.00 -
Vendor:SubaruSubaru Differential Pinion Bearing Spacer (L56.8MM)
Only 1 leftRegular price $7.93Sale price $7.93 Regular priceUnit price per -
Up to $129 OFFVendor:ACTACT Heavy Duty Performance Street Sprung Clutch Kit For 2013-20 Subaru BRZ/Scion FR-S
Only 7 leftRegular price $551.00Sale price $551.00 Regular priceUnit price per$680.00 -
Vendor:Competition ClutchCompetition Clutch Stage 2 Steel-back Brass Plus Clutch Kit for 2004-21 STI - 15030-2100
Only 8 leftRegular price $675.00Sale price $675.00 Regular priceUnit price per -
Vendor:SubaruSubaru Differential Pinion Bearing Spacer (L56.4MM)
Only 2 leftRegular price $7.93Sale price $7.93 Regular priceUnit price per -
Up to $212 OFFVendor:ACTACT Extreme Race Sprung 6 Pad Clutch Kit with Monoloc For 2004-21 Subaru WRX STI, 07-09 LGT
Only 5 leftRegular price $903.00Sale price $903.00 Regular priceUnit price per$1,115.00 -
Up to $8.89 OFFVendor:WhitelineWhiteline Rear Differential Bushing Kit For 2002-07 Subaru WRX, 04-07 STI - KDT979
Only 1 leftRegular price $79.99Sale price $79.99 Regular priceUnit price per$88.88 -
Vendor:SubaruSubaru T0.50MM Axle Shaft Bearing Shim for 02-21 WRX, 04-21 STI
Regular price $12.58Sale price $12.58 Regular priceUnit price per -
Up to $35.89 OFFSold OutVendor:WhitelineWhiteline Rear Positive Traction Kit - Subframe Mount Bushing For 2008-14 Subaru WRX/STI - KDT907
Regular price $322.99Sale price $322.99 Regular priceUnit price per$358.88 -
Vendor:Turn In ConceptsTiC Subaru Shift Linkage Bushings For 2006-14 WRX, 2006-21 STI, 06-09 LGT, 06-08 FXT
Only 2 leftRegular price $30.00Sale price $30.00 Regular priceUnit price per -
Vendor:SubaruSubaru Rear Differential Drive Pinion Spacer (T3.36MM) for 02-19 WRX, 04-07 STI
Only 1 leftRegular price $29.55Sale price $29.55 Regular priceUnit price per -
Sold OutVendor:Verus EngineeringVerus Engineering Forged Clutch Fork - Subaru BRZ / Scion FRS/ Toyota GT86
Regular price $199.95Sale price $199.95 Regular priceUnit price per -
Vendor:Turn In ConceptsTiC 6 Speed Subaru Manual Transmission Pivot Bushings
Only 2 leftRegular price $25.00Sale price $25.00 Regular priceUnit price per -
Up to $67.46 OFFVendor:MotulMOTUL Transmission GEAR 300 75W90 - Synthetic Ester - 20L Orange Jerry Can - 103994
Regular price $607.12Sale price $607.12 Regular priceUnit price per$674.58 -
Vendor:MotulMOTUL Motylgear 75W90 Gear Oil 1L
Only 11 leftRegular price $18.40Sale price $18.40 Regular priceUnit price per -
Up to $174 OFFVendor:ACTACT Heavy Duty Performance Street Sprung Clutch Kit with Monoloc For 2002-05 Subaru WRX, 07-09 LGT, 04-05 FXT
Only 12 leftRegular price $741.00Sale price $741.00 Regular priceUnit price per$915.00 -
Up to $3.44 OFFVendor:SuperproSuperPro 2015 Subaru WRX Limited Rear Differential-to-Subframe Mount Bushing Insert Kit - SPF4297K
Only 5 leftRegular price $30.99Sale price $30.99 Regular priceUnit price per$34.43 -
Up to $78.75 OFFVendor:Clutch MastersClutch Masters Steel Flywheel For 2006-17 Subaru WRX - FW-021-SF
Only 5 leftRegular price $446.25Sale price $446.25 Regular priceUnit price per$525.00 -
Vendor:SubaruSubaru Drive Pinion Spacer (T2.45MM)
Only 1 leftRegular price $13.67Sale price $13.67 Regular priceUnit price per -
Up to $228.55 OFFVendor:XCLUTCHXClutch 13-20 Subaru BRZ 2.0L 10.5in Twin Sprung Organic Clutch Kit - XKSU23540-2A
Only 2 leftRegular price $2,056.93Sale price $2,056.93 Regular priceUnit price per$2,285.48 -
Vendor:SubaruSubaru Rear Differential Drive Pinion Spacer (T3.66MM) for 02-19 WRX, 04-07 STI
Only 1 leftRegular price $29.55Sale price $29.55 Regular priceUnit price per -
Vendor:Techna-FitTechna-Fit Stainless Steel Braided Clutch Line Kit For 2008-14 Subaru WRX, 08-14 STI, 09-12 LGT
Regular price $30.00Sale price $30.00 Regular priceUnit price per -
Vendor:SubaruSubaru 3RD-6TH Gear Driven Keyway for 08-24 WRX, 08-21 STI
Regular price $5.15Sale price $5.15 Regular priceUnit price per -
Vendor:Techna-FitTechna-Fit Stainless Steel Braided Clutch Line Kit For 2006-07 Subaru WRX
Regular price $30.00Sale price $30.00 Regular priceUnit price per -
Up to $120 OFFVendor:ACTACT XACT Prolite Clutch Flywheel For 2004-21 Subaru WRX STI, 07-09 LGT spec.B
Only 7 leftRegular price $509.00Sale price $509.00 Regular priceUnit price per$629.00 -
Up to $149 OFFVendor:ACTACT Heavy Duty Clutch Pressure Plate For 2006-18 Subaru WRX, 05-12 LGT, 06-08 FXT
Only 7 leftRegular price $636.00Sale price $636.00 Regular priceUnit price per$785.00 -
Vendor:SubaruSubaru Right-Hand Engine Mount Bracket for 2015-21 STI
Regular price $59.52Sale price $59.52 Regular priceUnit price per -
Up to $10.50 OFFVendor:Perrin PerformancePERRIN Reverse Lockout Lever For 2004-21 Subaru WRX STI - Black - PSP-INR-250BK
Regular price $59.50Sale price $59.50 Regular priceUnit price per$70.00 -
Vendor:COBBCOBB Subaru 5-Speed Front Shifter Bushing for 2002-14 Subaru WRX, 04-08 FXT, 05-09 LGT/OBXT - 211320
Regular price $50.00Sale price $50.00 Regular priceUnit price per -
Vendor:SubaruSubaru Rear Differential Drive Pinion Spacer (T3.33MM) for 02-19 WRX, 04-07 STI
Only 1 leftRegular price $29.55Sale price $29.55 Regular priceUnit price per -
Sold OutVendor:Verus EngineeringVerus Engineering Billet Clutch Fork Pivot - Subaru/Scion MT Models (inc. 2006+ WRX / 2013+ BRZ/FR-S/86)
Regular price $32.95Sale price $32.95 Regular priceUnit price per -
Up to $91.71 OFFVendor:ExedyExedy 2013-2016 Scion FR-S H4 Stage 2 Cerametallic Clutch Thick Disc - 15955
Only 6 leftRegular price $519.58Sale price $519.58 Regular priceUnit price per$611.29 -
Up to $34.98 OFFVendor:South Bend ClutchSouth Bend / DXD Racing Clutch 06-11 Subaru Impreza WRX 2.5L Stg 3 Daily Clutch Kit - FJK1001-SS-O
Only 6 leftRegular price $1,130.95Sale price $1,130.95 Regular priceUnit price per$1,165.93 -
Up to $8.09 OFFSold OutVendor:WhitelineWhiteline Rear Differential Mount Support Outrigger Bushing For 2013-25 Subaru BRZ, 13-16 FR-S, 17-26 86/GR86 - KDT923
Regular price $72.79Sale price $72.79 Regular priceUnit price per$80.88
Drivetrain
IAG PerfoFrom daily-driven Subarus to dedicated track builds, the drivetrain plays a critical role in performance and reliability. IAG Performance offers drivetrain upgrades and replacement parts for WRX, STI, BRZ, Legacy GT, and Forester XT applications, including driveshafts, clutches, transmission components, differential parts, mounts, bushings, and drivetrain fluids. Designed for EJ25, FA20, and FA24 platforms, these components help improve power transfer, durability, and driving feel. Shop premium brands including ACT, Competition Clutch, Albins, Pfitzner, Subaru, Whiteline, and more.