The 40" x 1" axle rod for go-karts is a go-kart part common to many 'karts and dune buggies. This steel axle features both threaded ends stepped down to 3/4" for 2". There is also a 1/4" keyway slot which extends the entire length of the axle.

Specifications:
Axle length: 40"
Diameter: 1"
Thread: 3/4-16 Fine
Axle key size: 1/4"