This truck shifter knob is truly a work of art! Piston skull knob is a truly unique semi truck interior accessory. Made of high quality urethane, painted and finished by hand. Topped with clear coat. Built-in 1/2-13 brass threaded insert. 3-3/4"H x 2-1/2"W x 3" deep. Made in the USA.

NOTE: Shift with care. Due to design and shape of this item, it is not intended for use as a shifter extension in any way and should not be subjected to extreme forces. Proper use insures long life of this custom accessory. Breakage NOT warranted.

See more link for Installation Instructions.

Recommended installation requires shifter adaptor. Choose 13/18 Speed Shifter Adapter, item 238690 or 9/10 Speed Shifter Adapter, item 238691, sold separately.