All of these bodies are sized to fit the Womp inline chassis.  These bodies also fit the Champion Thumper, Legends, and Modified chassis.  For other applications, you would need a 2.5" wide chassis and a 3" to 3.25" wheelbase.
Skinnys are durable PVC slot car bodies designed for the Sprints Plus and Club Racer inline chassis.  Create vintage modifieds and sprint cars. 34 Ford vintage modified - click to enlarge 40 Ford vintage modified - click to enlarge
MonkeyWerx is a new slot car body company using the same type of tough PVC used by Boss Bodies.  MonkeyWerx has several models of older NASCAR style bodies, as well as some modifieds.  These can be painted with any lacquer, enamel or acrylic paint.  Do NOT use Lexan type paint. click to enlarge
ToyTech bodies are done in more resilient PETG than most bodies.  These are very nicely done bodies in a variety of dirt and asphalt style.  Super modifieds, modifieds, Legends, and stock cars.
Rhino bodies have been around for decades.  Nice classic stockers and modifieds, 84 Monte Carlo, 83 T Bird, and more.  These are Lexan.  Use Pactra R/C or similar paint. click to enlarge click to enlarge
Champion slot products have been an industry standard for decades.  These are made from TUFFAK plastic which is similar to Lexan.  Get your Legends bodies and stock car bodies here. click to enlarge CLICK TO ENLARGE
Outisight Designs was started in late 1974 by Frank Pretzman and Chris Burlew of Southern California.  These are Polycarbonate plastic.  Use Pactra R/C or similar paint. click to enlarge click to enlarge
The Parma Womp has been a staple of the slot car industry for decades.  These are Lexan bodies.  Parma just ran off some of their old Gremlin Modifieds for us.