Out of stock
SKU: RICF9514
UPC: 698231729861
MPN: F9514
The Richmond Excel Ring & Pinion Gear Set for Ford 9-inch differential with 5.14 ratio is a precision-engineered axle gear package designed for high-performance applications requiring aggressive acceleration and superior low-end torque multiplication. This 28-spline pinion configuration delivers the gear ratio depth needed for off-road recovery, drag racing, autocross competition, and street performance where quick spool-up and rapid acceleration are critical performance objectives.
The 5.14 ring and pinion ratio represents a numerically deep gear set—meaning every engine revolution translates to 5.14 wheel rotations, substantially multiplying torque at the wheels while trading top-end highway speed for explosive acceleration off the line. Richmond's Excel line emphasizes precision manufacturing and tight tolerances, critical factors in ring and pinion durability under load cycling. The 28-spline pinion interface ensures robust power transfer in high-torque builds and pairs with Ford 9-inch differential architecture, one of the most proven and customizable platforms in performance automotive applications. This kit arrives complete with all components needed for installation into compatible Ford 9-inch housings.
Buyers pursuing aggressive street or competition tuning with power-adder equipped engines—superchargers, turbos, or high-displacement builds—rely on gear ratios in this range to keep engine RPMs in the sweet spot during hard acceleration while maintaining drivability. Off-road enthusiasts and truck builders use similar ratios to enhance crawl ratio and recovery capability in low-speed, high-torque scenarios. Installation requires differential expertise or professional service, including bearing preload setup, gear lapping, and backlash adjustment to OEM specification.
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