rts oe speedometer gear, 21 tooth, for ford automatic c4 c5 c6 fmx aod, will fit t5 tremec tko magnum, driven gear, 3.5, each

This new speedometer driven gear fits C4 C5 C6 C10 FMX AOD transmissions. Will work with 3.5 OEM number: CODZ-17271-D Based on 25.4" tall tyre Will also fit T5 Tremec T45 T56 Magnum and TKO manual transmission Tech Tip: If you can determine whether your speedometer is reading too slow or too fast, it is worth noting that a lower # of teeth will cause it to turn faster versus a higher # of teeth to turn slower