No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart
![](https://bringatrailer.com/wp-content/uploads/2021/11/1960_simplex_challenger-mark-iv_574A5835-1.jpg?fit=940%2C626)
![](https://i.ytimg.com/vi/IvfNEVan7ZE/maxresdefault.jpg)
No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale
![](https://i.ytimg.com/vi/rOtZx5W8p_c/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLDfmzvfAL4K3WOJI0E-iJFb62RvbA)
1960 Simplex Mark IV Challenger Racer { Restored }
![](https://bringatrailer.com/wp-content/uploads/2024/01/32-4-11475-scaled.jpg?resize=235%2C159)
No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale
![](https://images.classic.com/vehicles/b979443d189a5def86c980dc8848d144fc83a3fd.jpeg?ar=16%3A9&fit=crop&w=600)
1960 Simplex Challenger Mark IV go-Kart
![](https://bangshift.com/wp-content/uploads/2020/05/gokart6.jpg)
Vintage Simplex Go-Kart With Twin West Bend Engines
![](https://bringatrailer.com/wp-content/uploads/2024/01/1968_bmw_1600_img_2288-93877.jpeg?resize=235%2C159)
No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale
![](https://images.classic.com/vehicles/844177a210818017912f577cb18c271e94a01b8e.jpg?ar=16%3A9&fit=crop&w=600)
1960 Simplex Challenger Mark IV go-Kart
![](https://barnfinds.com/wp-content/uploads/2023/11/112423-1960s-Simplex-Challenger-Mark-IV-Go-Kart-4-630x390.jpg)
1960s Simplex Challenger Mark IV Dual-Engine
![](https://barnfinds.com/wp-content/uploads/2023/11/image_6.jpg)
1960s Simplex Challenger Mark IV Dual-Engine
![](https://bringatrailer.com/wp-content/uploads/2024/01/2023_porsche_718-cayman-gt4-rs_4k6a4051-2-58350.jpg?resize=470%2C318)
No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart
![](https://images.classic.com/vehicles/3225dc3213462eef56061103cd50141ba3e9d9f7.jpg?ar=16%3A9&fit=crop&w=600)
1960 Simplex Challenger Mark IV go-Kart