PERRIN PSP-INR-042RD Shifter Detent Kit for Subaru WRX STI 2004–2021

The PERRIN Shifter Detent Kit is a simple, cost-effective upgrade that significantly improves shift feel in manual transmission Subaru WRX STI models. By increasing pressure on the factory shift rod detents, this kit delivers crisper, more precise gear engagement with a solid, confident feel every time you shift.

Key Features

• Improves shift precision and gear engagement feel

• Increases pressure on OEM shift rod detents

• Creates more defined gear positions

• Enhances overall driving confidence and feedback

• Simple installation with minimal tools required

• Ideal for daily driving, spirited driving, and performance builds

What’s Included

• (5) PERRIN Shifter Detent Bolts

• Warranty

• Installation instructions

Vehicle Fitment

Fits manual transmission Subaru WRX STI models, including:

• 2004–2021 Subaru WRX STI

  • Base, Limited, S209, Type RA, HyperBlue, Launch Edition, Special Edition