Front Drive Belt for Yokomo 870c 91-93 Works RRP-029YZ. Some of the best in the market; RRP HTD timing belts offer a durable wear surface ideal for competitive RC racing. Our belts provide a longer service life with an increase in horsepower ratings, as compared to traditional timing belts. Specifications:
 
Pitch: 3mm
Teeth: 168
Length: 504mm
Width: 4mm
Belth Height: 2.40mm
Tooth Height: 1.17mm
Material: Neoprene rubber with fiberglass core
Shape: Closed