For the price of a buying an engine and tires, you can have an entire kit which includes all of the different parts for use on other builds.

Just some of the items:

Dual-plug HEMI blown engine
Slicks and front tires
Chrome front and rear wheels
A complete chassis
Fuel cell
Cockpit seat, steering wheel, levers and more
Fire bottles
Wheelie bars
Decals - including many Moon Eyes decals

The box is factory sealed with shrink wrap.

Purchase 2 or more and receive a 20% bulk discount on each. 

Assembly required. 

Model kit is 1/24 scale by Revell.