1960 Simplex Challenger Mark IV go-Kart
Vintage Simplex Go-Kart With Twin West Bend Engines
Vintage & Very Rare 1960 Simplex Challenger Mk III & Mk IV Go-Kart
1960 Simplex Challenger Mark IV go-Kart
No Reserve: Twin-Engine 1960 Simplex Challenger Go-Kart for sale
No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart
No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart
Vintage Simplex Go-Kart With Twin West Bend Engines
Project Cars For Sale, Page 15
No Reserve: Twin-Engine 1960 Rupp Super K Go-Kart for sale on BaT
No Reserve: Twin-Engine 1960 Simplex Challenger Mark IV Go-Kart
1960 Simplex Challenger Mark IV go-Kart
1960 Simplex Mark IV Challenger Racer { Restored }
Vintage Go-Karts, Page 21