This is the Auto World 1977 Chevrolet Blazer (Black/White) X-Traction R1 HO Slot Car
The X-Traction chassis is a modified version of the classic pancake design used in Auto World's ThunderJet Chassis. Increased weight and larger rear wheels provide better performance and superior handling. Underneath, and Ultra-G neodymium traction magnet adds even more track-gripping handling through the tightest curves for maximum racing excitement!
Auto World Off Road 2022 Release 1
Ultra G Neodymium Traction Magnet for Track Gripping Performance
Compatible with most HO scale tracks - AFX, Tomy, Auto World