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This new HD (Heavy Duty) material for RC8B3 gearbox is an excellent upgrade for the RC8B3 and RC8T3 series! The stiffer HD high-temp polymer material gearbox has a better bearing fit. Extensive testing with the RC8T3.2 platform shows an incredible jump in durability, and the HD material maintains consistent gear mesh over long main events.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.