IFW634-47S Light Weight Spur Gear (47T/MP10/w/IF403C)*Requires the Small Kyosho Diff Case IF403C*This is a Mod 1 Gear, it requires use with a Mod 1 Clutch bell.IFW634-47S Light Weight Spur Gear (47T/MP10/ w/IF403B)SKU: IFW634-47S$39.99PriceQuantity*In Stock / Add to Cart