IAG 6 Speed Brass Synchro Set 1st - 3rd Brass / 4th - 6th Carbon Faced STI 08-21 | IAG-DRV-1040 Vehicle Model_Silverado 1500 No need to worry about

No need to worry about a retune or anything else

The mounts also feature premium materials

This ELECTRICAL Boost Gauge will perform a pointer sweep/self check on start-up & shut down

Part #: KB-055-PL-BLK

Warranty Disclaimer: Subaru of America will only warranty parts installed on a car that has a matching VIN to that part

IAG 6 Speed Brass Synchro Set 1st - 3rd Brass / 4th - 6th Carbon Faced STI 08-21 | IAG-DRV-1040 Vehicle Model_Silverado 1500 No need to worry aboutProduct Fitment: 2008 2021 Subaru STI Whether you're rebuilding your Subaru 6 speed transmission or upgrading for smoother gear engagement, the IAG 6 Speed Synchro Package is the ideal solution. This kit includes upgraded synchronizers and baulk rings for enhanced shifting precision and long term durability. Key Features: Complete Synchro Upgrade Kit: Includes synchros for all forward gears1st through 6thfor a comprehensive rebuild or performance