Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) Engine Cover All Evo X SST transmission

All Evo X SST transmission part numbers are listed below for cross reference

N91150701 M10x60 Bolt* 15+90° 5 (Blue)

5" Bolt Holes

Fuel rail spacers and hardware

• Brushed 5052 Plate Aluminum

Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) Engine Cover All Evo X SST transmissionThe Perrin differential lockdown kit for 2015 2022 WRX and STi models adds drivetrain rigidity and precision to throttle input by reducing movement from the rear diff. Under tough driving conditions, the drivetrain and differential will twist, causing a "squishy" or "spongy" feel. This kit will reduce that movement for a better driving experience. Vehicle Fitment: 2015 2023 Subaru WRX 2015 2021 Subaru STi Installation Guide PDF Purchase Includes: (2)