F038-018 Fan for 250cc Go Kart & Scooter. 10 fan blades. Material:plastic. 2 wire,8 bolt holes.Bolt hole spacing(A-B):122mmBolt hole spacing(B-E):215mmBolt hole spacing(D-G):150mmBolt hole spacing(A-E):260mmBolt hole spacing(D-H):215mmBRAND NEW PRODUCTS.BEST QUALITY GUARANTEED.