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Re: speedo ratio adapter parts.
Where can i get NP205 speedometer gears parts?
I had my truck at a speedometer shop years ago. Original owner ran 33 x 12.50s and i went to LT235/75R15 tires (28" dia.).
Recently, speedo stopped working. Driven teeth are mashed, drive teeth worn. Driven gear has H (18 teeth), Drive gear #99408 stamped on face, Ratio converter box has 1.2020 X stamped on it.
Not sure if original or speedometer shop changed anything?
1972 Chevy K10 350V8, 4BBL, Muncie 465, NP205, 3.07:1 diff ratio.
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