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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 ) Redline Superlight ShockProof Gear Oil 1 Quart Motul Gear 300 Synthetic 75W90 ( 1 Quart )
Eliminates notchy shifting, even when cold. Improves shifting 75W90 Synthetic
Redline LightWeight ShockProof Gear Oil 1 Quart TiC 6MT Pivot Bushings 04-2017 STI Whiteline Gearbox - Mount Bushing (02 - 18 WRX / 04 - 18 STi)
Improved cold shifting. They fit all years of the USDM STi. 3 year / 60,000 mile warranty
Torque Solution Rear Differential Inserts 08-17 STI / 08-17 WRX Kartboy Rear Shifter Bushing Torque Solution Transmission Member Bushing 02-14 WRX / 04-17 STI
Increases response Eliminate that loose shifter feel. Installs in under 30 Minutes.
Whiteline Front Lower Inner Control Arm Bushing Kit 08-14 STI / 15-17 WRX Torque Solution Rear Differential Bushings 08-17 WRX / 08-17 STI Whiteline Rear Diff Mount Outrigger Support Bushings 08-14 STi
Increase steering precision. Reduces rear end float under acceleration Reduce initial torque loss.
Whiteline Gearbox Positive Shift Bushing Kit 08-17 STI / 08-17 WRX Group N Pitch Stop Mount 02-18 WRX / 05-09 OBXT / 04-20 STI Whiteline Rear Positive Differential Mount Power Kit 08-14 STI / 08-14 WRX
Faster shift response OEM Replacement Reduce initial torque loss.
Whiteline Rear Diff Mount Positive Power Kit Inserts 08-14 STI Torque Solution Solid 6 speed Shifter Linkage U-Joint Subaru STI 2004-2019 Whiteline Rear Positive Traction Bushing Kit 11-14 STI / 11-14 WRX
Reduce initial torque loss. Inserts only. Saves money! Inserts - positive traction kit - locks subframe to body.
Whiteline Steering Rack Bushing Kit 08-14 STI Torque Solution Pitch Stop Mount 02-18 WRX / 04-20 STI Perrin 6spd Short Shifter Adaptor  04-2017 STI
Bushing upgrade.
Life Time Warranty

PERRIN shifter allows for a 0%-50% reduction in shifter throw.
Perrin Reverse Lockout Lever 04-17 STI Perrin Pitch Stop 02-20 WRX / 05-09 LGT/ 04-20 STI Whiteline Engine - Pitch Mount (02 - 18 WRX / 04 - 18 STi)
Machined from billet 6061 aluminum. 5 Year Warranty

3 year / 60,000 mile warranty
Agency Power Pitch Stop Mount 02-17 WRX / 04-17 STI Kartboy Pitch Stop Mount 02-17 WRX / 04-17 STI Torque Solution Solid Billet Transmission Mount: Subaru WRX 2002-2017 / STI 2004-2019
LIMITED LIFETIME warranty Reduces engine movement Lifetime Warranty