#40 Pitch sprockets are fully machined from .250" thick aircraft quality aluminum and heat treated for better wear resistance, red anodized for great looks and to protect from corrosion. Split for easy installation and fit 5.25" bolt circle drive hub.
#40 Pitch Sprockets are the most common pitch in lawnmower racing. We also have available #35 Sprockets. Make sure you order the correct pitch for you sprockets, drivers, and chains.
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