Locking transmission dip stock for any car faster than 10.99.
If you fuel cell is plastic - you need a ground strap to the filler cap outer ring.
Neutral safety switch is needed.
Helmet must be snell 2000 rated or newer and a 3.2A/1 fire jacket.
3/8" battery hold down bolts, battery in trunk needs an on/off switch on the back.
Aftermarket axles if faster than 10,99.
Driveshaft loop.
Metal valve stem on all four rims unless running tubes.
Coolant overflow bottle
Two throttle return springs.