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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 ) Motul Gear 300 Synthetic 75W90 Redline LightWeight ShockProof Gear Oil 1 Quart
Eliminates notchy shifting, even when cold. 75W90 Synthetic Improved cold shifting.
Redline Superlight ShockProof Gear Oil 1 Quart TiC 6MT Pivot Bushings 04-2017 STI Torque Solution Rear Differential Inserts 08-17 STI / 08-17 WRX
Improves shifting They fit all years of the USDM STi. Increases response
Torque Solution Transmission Member Bushing 02-14 WRX / 04-17 STI Torque Solution Rear Differential Bushings 08-17 WRX / 08-17 STI Whiteline Gearbox Positive Shift Bushing Kit 08-17 STI / 08-17 WRX
Installs in under 30 Minutes. Reduces rear end float under acceleration Faster shift response
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 Perrin Pitch Stop 02-17 WRX / 04-17 STI Agency Power Pitch Stop Mount 02-17 WRX / 04-17 STI
Machined from billet 6061 aluminum. 5 Year Warranty

LIMITED LIFETIME warranty
Kartboy Pitch Stop Mount 02-17 WRX / 04-17 STI Torque Solution Transmission Mount 02-17 WRX / 04-17 STI Torque Solution Billet Rear Differential Brace 08-18 WRX / 08-18 STI
Reduces engine movement Lifetime Warranty Reduces movement and clunking
Kartboy Short Shifter and Bushing Combo Kit Subaru STI 2004-2017 Perrin Transmission Mount Perrin Pitch Stop Brace 15-17 WRX / 15-17 STI / 15-17 WRX CVT
Made in America. Reduce drivetrain movement Protect your firewall.
Cusco Motor and Transmission Mounts 02-05 WRX / 04-05 STI / 15-17 STI Torque Solution Motor / Transmission Mounts Torque Solution Drivetrain Combo Kits 02-14 WRX / 04-17 STI
Great fit and quality Eliminates wheel hop / traction loss Pitch Stop Colors of Choice