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RING & PINION GEAR SETS
For use with Ford Axles

Sierra Gear & Axle has a complete inventory of Ring & Pinion Gear Sets for use with Ford axles.

Our Ring and Pinion sets are reasonably priced and are the highest quality aftermarket gear sets available. Ring and Pinion Gear Sets from Sierra Gear are engineered and manufactured for easy setup, quiet operation and long life.

Complete your differential ratio change, rebuild, repair or overhaul with one of our Differential Repair and Installation Kits.

Not sure which ring and pinion gear ratio you want? Use our Differential Gear Ratio Calculator or call one of our technical experts for advice.

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Application Chart:

Ring and Pinion Gear Sets for use with Ford Differentials

FORD AXLES – Ring and Pinion Gear Sets

7.5″ Ford Ring & PinionSierra Gear & Axle Part #
7.5″ FORD 3.08 Ratio R&PSG F7.5-308
7.5″ FORD 3.45 Ratio R&PSG F7.5-345
7.5″ FORD 3.73 Ratio R&PSG F7.5-373
7.5″ FORD 4.11 Ratio R&PSG F7.5-411
7.5″ FORD 4.56 Ratio R&PSG F7.5-456
8″ Ford Ring & PinionSierra Gear & Axle Part #
8″ FORD 3.00 Ratio R&PSG F8-300
8″ FORD 3.00 Ratio Premium R&PSGPF8-300
8″ FORD 3.25 Ratio R&PSG F8-325
8″ FORD 3.25 Ratio Premium R&PSGPF8-325
8″ FORD 3.40 Ratio R&PSG F8-340
8″ FORD 3.40 Ratio Premium R&PSGPF8-340
8″ FORD 3.55 Ratio R&PSG F8-355
8″ FORD 3.55 Ratio Premium R&PSGPF8-355
8″ FORD 3.80 Ratio R&PSG F8-380
8″ FORD 3.80 Ratio Premium R&PSGPF8-380
8″ FORD 4.11 Ratio R&PSG F8-411
8″ FORD 4.11 Ratio Premium R&PSGPF8-411
8″ FORD 4.62 Ratio R&PSG F8-462
8.8″ Ford Ring & PinionSierra Gear & Axle Part #
8.8″ FORD 3.08 Ratio R&PSG F8.8-308
8.8″ FORD 3.27 Ratio R&PSG F8.8-327
8.8″ FORD 3.31 Ratio R&PSG F8.8-331
8.8″ FORD 3.55 Ratio R&PSG F8.8-355
8.8″ FORD 3.55 Ratio Premium R&PSGPF8.8-355
8.8″ FORD 3.73 Ratio R&PSG F8.8-373
8.8″ FORD 3.73 Ratio Premium R&PSGPF8.8-373
8.8″ FORD 3.90 Ratio R&PSG F8.8-390
8.8″ FORD 4.10 Ratio R&PSG F8.8-411
8.8″ FORD 4.10 Ratio Premium R&PSGPF8.8-411
8.8″ FORD 4.30 Ratio R&PSG F8.8-430
8.8″ FORD 4.56 Ratio R&PSG F8.8-456
8.8″ FORD 4.56 Ratio Premium R&PSGPF8.8-456
8.8″ FORD 4.88 Ratio R&PSG F8.8-488
8.8″ FORD 5.13 Ratio R&PSG F8.8-513
8.8″ FORD 5.71 Ratio R&PSG F8.8-571
8.8″ FORD 3.31 Ratio Reverse R&PSG F8.8-3.31R
8.8″ FORD 3.55 Ratio Reverse R&PSG F8.8-3.55R
8.8″ FORD 3.73 Ratio Reverse R&PSG F8.8-3.73R
8.8″ FORD 4.11 Ratio Reverse R&PSG F8.8-4.11R
8.8″ FORD 4.56 Ratio Reverse R&PSG F8.8-4.56R
8.8″ FORD 4.88 Ratio Reverse R&PSG F8.8-4.88R
8.8″ FORD 5.13 Ratio Reverse R&PSG F8.8-5.13R
8.8″ FORD 5.29 Ratio Reverse R&PSG F8.8-5.29R
9″ Ford Ring & PinionSierra Gear & Axle Part #
9″ FORD 3.00 Ratio R&PSG F9-300
9″ FORD 3.00 Ratio Premium R&PSGPF9-300
9″ FORD 3.25 Ratio R&PSG F9-325
9″ FORD 3.25 Ratio Premium R&PSGPF9-325
9″ FORD 3.50 Ratio R&PSG F9-350
9″ FORD 3.50 Ratio Premium R&PSGPF9-350
9″ FORD 3.50 Ratio Pro R&PSG F9-350P
9″ FORD 3.64 Ratio R&PSG F9-364
9″ FORD 3.70 Ratio R&PSG F9-370
9″ FORD 3.70 Ratio Premium R&PSGPF9-370
9″ FORD 3.70 Ratio Pro R&PSG F9-370P
9″ FORD 3.70 Ratio Pro Big Pinion R&PSG F9-370BP
9″ FORD 3.75 Ratio Premium R&PSGPF9-370
9″ FORD 3.89 Ratio R&PSG F9-389
9″ FORD 3.89 Ratio Premium R&PSGPF9-389
9″ FORD 3.89 Ratio Pro R&PSG F9-389P
9″ FORD 3.89 Ratio Pro Big Pinion R&PSG F9-389BP
9″ FORD 4.11 Ratio R&PSG F9-411
9″ FORD 4.11 Ratio Premium R&PSGPF9-411
9″ FORD 4.11 Ratio Pro Big Pinion R&PSG F9-411BP
9″ FORD 4.11 Ratio R&P Pro LightenedSG F9-411PGL
9″ FORD 4.30 Ratio R&PSG F9-430
9″ FORD 4.30 Ratio Premium R&PSGPF9-430
9″ FORD 4.30 Ratio R&P PROSG F9-429P
9″ FORD 4.30 Ratio R&P Pro Big PinionSG F9-430BP
9″ FORD 4.33 Ratio R&PSG F9-433
9″ FORD 4.56 Ratio R&PSG F9-456
9″ FORD 4.56 Ratio Premium R&PSGPF9-456
9″ FORD 4.56 Ratio Pro R&PSG F9-456P
9″ FORD 4.56 Ratio Pro Big Pinion R&PSG F9-456BP
9″ FORD 4.56 Ratio R&P Pro LightenedSG F9-456PGL
9″ FORD 4.71 Ratio R&PSG F9-471
9″ FORD 4.71 Ratio Pro R&PSG F9-471P
9″ FORD 4.86 Ratio R&PSG F9-486
9″ FORD 4.86 Ratio Premium R&PSGPF9-486
9″ FORD 4.86 Ratio Pro Big Pinion R&PSG F9-486BP
9″ FORD 4.86 Ratio R&P Pro LightenedSG F9-486PGL
9″ FORD 5.00 Ratio R&PSG F9-500
9″ FORD 5.13 Ratio R&PSG F9-513
9″ FORD 5.13 Ratio Premium R&PSGPF9-513
9″ FORD 5.13 Pro Ratio R&PSG F9-514P
9″ FORD 5.29 Ratio R&PSG F9-529
9″ FORD 5.29 Ratio Premium R&PSGPF9-529
9″ FORD 5.29 Ratio Pro R&PSG F9-529P
9″ FORD 5.29 Ratio R&P LightenedSG F9-529L
9″ FORD 5.43 Ratio R&PSG F9-543
9″ FORD 5.43 Ratio Premium R&PSGPF9-543
9″ FORD 5.43 Ratio Pro R&PSG F9-543P
9″ FORD 5.43 Ratio R&P LightenedSG F9-543L
9″ FORD 5.67 Ratio R&PSG F9-567
9″ FORD 5.67 Ratio Premium R&PSGPF9-567
9″ FORD 5.67 Ratio Pro R&PSG F9-567P
9″ FORD 5.67 Ratio R&P LightenedSG F9-567L
9″ FORD 5.83 Ratio R&PSG F9-583
9″ FORD 5.83 Ratio Premium R&PSG F9-583P
9″ FORD 5.83 Ratio R&P LightenedSG F9-583L
9″ FORD 6.00 Ratio R&PSG F9-600
9″ FORD 6.00 Ratio Premium R&PSGPF9-600
9″ FORD 6.00 Ratio R&P LightenedSG F9-600L
9″ FORD 6.20 Ratio R&PSG F9-620
9″ FORD 6.20 Ratio Premium R&PSGPF9-620
9″ FORD 6.20 Ratio R&P LightenedSG F9-620L
9″ FORD 6.33 Ratio R&PSG F9-633
9″ FORD 6.33 Ratio Premium R&PSGPF9-633
9″ FORD 6.33 Ratio R&P LightenedSG F9-633L
9″ FORD 6.50 Ratio R&PSG F9-650
9″ FORD 6.50 Ratio Premium R&PSGPF9-650
9″ FORD 6.50 Ratio Pro R&PSG F9-650P
9″ FORD 6.50 Ratio R&P LightenedSG F9-650L
9″ FORD 6.66 Ratio R&P LightenedSG F9-666L
9″ FORD 6.83 Ratio R&P LightenedSG F9-683L
9″ FORD 7.00 Ratio R&P LightenedSG F9-700L
9″ FORD 7.33 Ratio R&P AX LightenedSG F9-733AX
9.75″ Ford Ring & PinionSierra Gear & Axle Part #
9.75″ FORD 3.08 Ratio R&PSG F9.75-308
9.75″ FORD 3.55 Ratio R&PSG F9.75-355
9.75″ FORD 3.73 Ratio R&PSG F9.75-373
9.75″ FORD 4.11 Ratio R&P METRICSG F9.75-411
9.75″ FORD 4.30 Ratio R&PSG F9.75-430
9.75″ FORD 4.56 Ratio R&P METRICSG F9.75-456
9.75″ FORD 4.88 Ratio R&P METRICSG F9.75-488
9.75″ FORD 5.13 Ratio R&P METRICSG F9.75-513
10.25″ Ford Ring & PinionSierra Gear & Axle Part #
10.25″ FORD 3.55 Ratio R&PSG F10.25-355
10.25″ FORD 3.55 Ratio R&P ’93 & Up, Long PinionSG F10.25-355L
10.25″ FORD 3.73 Ratio R&P ’93 & Up, Long PinionSG F10.25-373L
10.25″ FORD 4.10 Ratio R&P ’93 & Up, Long PinionSG F10.25-411L
10.25″ FORD 4.30 Ratio R&P ’93 & Up, Long PinionSG F10.25-430L
10.25″ FORD 4.56 Ratio R&P ’93 & Up, Long PinionSG F10.25-456L
10.25″ FORD 4.89 Ratio R&P ’93 & Up, Long PinionSG F10.25-489L
10.25″ FORD 5.13 Ratio R&P ’93 & Up, Long PinionSG F10.25-513L
10.25″ FORD 5.38 Ratio R&P ’93 & Up, Long PinionSG F10.25-538L

Find a Dealer

Find the application and ratio you need? Locate a Sierra Gear & Axle Distributor near you.

Gear Calculator

Doing a gear ratio change but not sure what you want? Try our Differential Gear Calculator.