Speedo Gear
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you dont have all info needed , would need to know your ring/pinion ratio. and also was your original "green" gear the correct gear from factory. basically though for every inch increase in tire size then drop 1 tooth on driven gear. your truck probably had 30" tires 245-75-16 with 3.54 axle if so green was correct . so 35's you might look for a 27tooth white gear. the red gear probably came from a truck with 4.10 axle.
green = 31 tooth...dodge part# 5206853
white = 27 tooth...dodge part# 5206849
red = 36 tooth...dodge part# 5206858
green = 31 tooth...dodge part# 5206853
white = 27 tooth...dodge part# 5206849
red = 36 tooth...dodge part# 5206858
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