Billetworkz Automatic Shifter - "Chonk" - Fits Chevrolet Trailblazer (2002-2009) Shift Knob Color:Matte Black Upgrade your automatic Trailblazer's interior

Upgrade your automatic Trailblazer's interior with the Billetworkz Shift Knob and Lockout System

This version features a precision-engraved "Piston" design for a unique

the group buy is not possible

this shift boot enhances both form and function—offering a luxurious feel with motorsport-level styling

cleaner engagement

Billetworkz Automatic Shifter - "Chonk" - Fits Chevrolet Trailblazer (2002-2009) Shift Knob Color:Matte Black Upgrade your automatic Trailblazer's interiorUpgrade Your Shifting Experience with the Billetworkz Shift Knob and Lockout System, a direct replacement for your factory automatic shift knob. This setup not only enhances the look of your interior, it provides a crisp, mechanical engagement for a more performance oriented feel. The Chonk is our biggest and heaviest shift knob yet, built with an oversized feel and serious weight to help deliver smoother, faster, and more confident shifts. Designed