RRP Hi-Performance Parts – Team Associated SC10 / SC10 4×4 SC10 / SC10 4x4 Steel Spur and Idler Gears Precision machined hardened steel gears for your Associated SC10 Truck. Part # Description Price 2354 2355 SC10 Hardened Steel Spur Gear 54T 32P SC10 Hardened Steel Idler Gear $26.95 $13.95