RING & PINION,9" FORD,3.70

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3.70 RATIOPREMIUM, 9310 HI-NICKEL ALLOY CONSTRUCTIONPINION IS 1.314" O.D. & 28 SPLINEPINION IS PRECISION MATCHED TO RING GEARFITS ALL 9" FORD REAR ENDSNOTE: R&P RATIO IS FIGURED BY DIVIDIING THE # OF TEETH ON THE RING GEAR BY THE # OF TEETH ON THE PINION Show more