They are machined out of 6061-T6 aluminum and have a 3/8"-16 stud for your shift knob.
Joes Racing Products Quick Change Aluminum Pan hard Bar Pinion Mount J-bar
JOES RACING PRODUCTS Filler Cap - Screw-On - Aluminum - Black Anodized - Each
Joes Racing 36504 Radiator Bracket, Adjustable, Clamp-On, Aluminum / Steel, Black Powder Coat, Universal, 1.75 in OD Tube, Pair
Joes Racing Products 13515 A 15In Lw Steering Wheel Aluminum Dished
Joes Racing Products 12079 9" Aluminum Body Support - Black Anodize
JOES RACING PRODUCTS Panhard Mount Aluminum 1-3/4 - Black 11100-B