Solid Synergy Green Shift Knob

Solid synergy green shift knob. 2-1/8" diameter. Built-in 1/2-13 brass threaded insert. Made of ultra-durable Partek resin. This semi-truck interior accessory is made in the USA.

Installation Instructions

Recommended installation requires shifter adaptor. Choose 13/18 Speed Shifter Adapter or 9/10 Speed Shifter Adapter, sold separately.

Get the matching tractor/trailer brake knobs here!