Speedometer Gear Adjuster Adapter
Stewart-Warner Speedometer Gear Adjuster Adapter - 1.30 Ratio. I removed this from my 1977 C10. Works perfect. A previous owner had changed the rear gear ratio from 3.73 to 3.08, thus the need for this adapter. I changed it back to 3.73, so don't need the adapter. $100, includes shipping within USA.
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