Yes alot are homemade (adds to the fun of it)
This guy makes the cars http://www.mmrd.co.uk/
R/R 1/8th HotRod assembled Kit With Engine and Radio Gear Complete 1/8th Hot Rod, with engine and radio gear
Includes, Chassis, front and rear assemblies (fitted) wheels and tyres, radio box, Body supports, Body Shell of your choose (uncut and unpainted) and Front Bumper, Radio Gear, Engine, Engine Mount, Clutch and Silencer.
Note: price includes body shell (not shown)