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AMSOIL Fluid Extraction Pump Subaru OEM High Performance Gear Oil 75W90 - 1 Quart Red Line 75W90 GL-5 Gear Oil 1 Quart
Fluid Pump, Call for pricing 417-838-7927 This is an OEM Subaru 75W-90 Oil Most popular Red Line gear oil.
Red Line MT90 GL-4 Gear Oil 1 Quart ( Nissan, Toyota and Mazda ) STM Subaru Driveshaft to Rear End Bolt Kit (04 - 07 STi) Redline LightWeight ShockProof Gear Oil 1 Quart
Eliminates notchy shifting, even when cold. Genuine OEM parts Improved cold shifting.
Redline Superlight ShockProof Gear Oil 1 Quart Motul Gear 300 Synthetic 75W90 ( 1 Quart ) TiC 6MT Pivot Bushings 04-2017 STI
Improves shifting 75W90 Synthetic They fit all years of the USDM STi.
Whiteline Engine - Pitch Mount Bushing (02 - 07, 15 - 18 WRX / 04 - 07, 15 - 18 STi) Whiteline Gearbox - Mount Bushing (02 - 18 WRX / 04 - 18 STi) Kartboy Rear Shifter Bushing
Limited lifetime warranty 3 year / 60,000 mile warranty Eliminate that loose shifter feel.
Torque Solution Transmission Member Bushing 02-14 WRX / 04-17 STI Whiteline Rear Diff Support Lock Bushings Whiteline Transmission Crossmember Bushing
Installs in under 30 Minutes. Made out of hard Urethane that helps reduce movement of the rear diff front support. Replace your worn suspension bushings with these Whiteline black synthetic elastomer bushings.
Group N Pitch Stop Mount 02-17 WRX / 04-17 STI Torque Solution Pitch Stop Mount 02-17 WRX / 04-17 STI Perrin 6spd Short Shifter Adaptor  04-2017 STI
Perfect for stock to moderate power levels.
Life Time Warranty

PERRIN shifter allows for a 0%-50% reduction in shifter throw.
Perrin Reverse Lockout Lever 04-17 STI Whiteline Rear Diff Bushings Perrin Pitch Stop 02-17 WRX / 04-17 STI
Machined from billet 6061 aluminum. You will notice not only better throttle response, but more connected feeling to your vehicle. 5 Year Warranty

Whiteline Engine - Pitch Mount (02 - 18 WRX / 04 - 18 STi) Agency Power Pitch Stop Mount 02-17 WRX / 04-17 STI Torque Solution Solid Billet Transmission Mount: Subaru WRX 2002-2017 / STI 2004-2019
3 year / 60,000 mile warranty LIMITED LIFETIME warranty Lifetime Warranty
Kartboy Pitch Stop Mount 02-17 WRX / 04-17 STI Torque Solution Transmission Mount 02-17 WRX / 04-17 STI Kartboy Short Shifter and Bushing Combo Kit Subaru STI 2004-2017
Reduces engine movement Lifetime Warranty Made in America.
Perrin Transmission Mount Torque Solution Motor / Transmission Mounts Driveshaft Shop Basic Axle Pair
Reduce drivetrain movement Eliminates wheel hop / traction loss Includes left and right front axles.