1/10 Touring | 1/10 Mini | F-1 2420: MS24-C20 Molded Inner Foam (Yellow,Soft)Part#: 2420 2430: MS24-C30 Molded Inner Foam (Orange, Medium)Part#: 2430 28018: Closed cell Light weight LT Form Inner for 1/10 Touring Car (4PCS)Part#: 28018