Click to expand Tap to zoom Rotary 13770 Angle Gear Box Assembly replaces Stihl 4116 640 0115 SKU 13770-RT Original price $65.70 - Original price $65.70 Original price $65.70 $65.70 - $65.70 Current price $65.70 | / Availability: in stock. Quantity Add to cart No reviews Additional information | Returns | Shipping |