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Forged Bulletproof differential bevel gear set, 29 tooth crown and 9 tooth pinion. It keeps the 29/9 ratio used on current Savage models, now as a forged option. Forging gives these gears more strength than sintered differential gears. After forging, the gears are hardened and tempered for toughness and wear resistance. A corrosion and wear-resistant coating gives a smooth finish and helps the gears bed in during use. Fits all Savage monster truck models. Each set contains one crown gear and pinion, which converts one end of the truck. Two sets are needed to fully outfit one truck. Fits: HPI Electric RS4 HPI Electric Pro 2 HPI Electric MT HPI Electric Pro 4 HPI Electric Mini HPI Electric Sport
