AFX 70305 #85 Stocker Mega-G. HO Slot Car. Blue, Gray, Yellow, White, and Black. The lightest, fastest, most realistic production HO slot cars made. Up to 30% lighter than any other HO chassis. Lowest and narrowest chassis ever made - much more realistic body. Lowest center of gravity. Fastest production chassis made. Exclusive extra long tapered guide pin. Unique Monocoque chassis. Polymer motor magnets. Level 30 Neodymium ground effects magnets. Nylatron chassis.