Reviews : AFX Mega G Slot Car Tune Up Kit AFX Mega G Slot Car Tune Up Kit $8.79 Leave a Rating! ★ ★ ★ ★ ★ OR Write a Review! Write a Review Sort 5-Star: 1 (2 ratings) 4-Star: 0 (0 ratings) 3-Star: 0 (0 ratings) 2-Star: 0 (0 ratings) 1-Star: 0 (0 ratings) Reviews MG tune up kit By: Kfsprechen Perfect fit to my MG cars would recommend to purchase (3)