![No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart for sale on BaT Auctions - sold for $10,500 on December 23, 2021 (Lot #62,230) | Bring a Trailer No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart for sale on BaT Auctions - sold for $10,500 on December 23, 2021 (Lot #62,230) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2021/11/1960_simplex_challenger-mark-iv_574A5835-1.jpg?fit=940%2C626)
No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart for sale on BaT Auctions - sold for $10,500 on December 23, 2021 (Lot #62,230) | Bring a Trailer
![Multi (Dual and more) Engine Karts - GoKart Projects & Restorations - KartPulse: Karting's Community Hub Multi (Dual and more) Engine Karts - GoKart Projects & Restorations - KartPulse: Karting's Community Hub](https://forums.kartpulse.com/uploads/default/original/1X/8d39ed3d16f8d2757be8ecdff5d8a851d4cceaff.jpg)
Multi (Dual and more) Engine Karts - GoKart Projects & Restorations - KartPulse: Karting's Community Hub
![No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale on BaT Auctions - sold for $6,250 on January 9, 2023 (Lot #95,357) | Bring a Trailer No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale on BaT Auctions - sold for $6,250 on January 9, 2023 (Lot #95,357) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2022/12/1960_simplex_go-kart_image-46594.jpg?fit=940%2C626)