MOOSE RACING Rear Sprocket - 51 Tooth 1211-461-51-10 Valve Stem Seals Sliding chin vent actuating mechanism

Sliding chin vent actuating mechanism is thicker and easy to use with gloves

Radiator cap included

creating the most efficient mating of the exhaust gases

Quiet Core and Quiet Tips inserts produce a more subdued exhaust note End caps offered in a variety of sizes to allow fine-tuning of power delivery for different types of riding and terrain

2006-2009 Honda TRX450R - - 2006-2009 Honda TRX450ER - -

MOOSE RACING Rear Sprocket - 51 Tooth 1211-461-51-10 Valve Stem Seals Sliding chin vent actuating mechanismThe 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets 100% machined, no stamping or grinding Optimal tooth thickness results in maximum tooth and chain contact