a #35 X 86 links (32 1/4 inches) long premium quality go kart or mini bike chain, and 1 of our heavy duty full circle rivet master links. This chain is a direct replacement for Manco Part# 9978. Pitch on this link is: 3/8 inch. Roller diameter is: .200 Inside Measurement: 3/16 inch. Pin Diameter is : .138 Tensile Strength: 2300 lbs.