Allstar Performance Ford 9" Ring and Pinion Gear Set - Ratio: 5.14 AS04421 resulting in a clean and

resulting in a clean and comfortable factory look

Ford Mustang 2015-20

features a 1/4" NPT bung on bottom for connecting a vent hose and includes a washable breather element

Lower center design adds engine oil pan clearance

1986-1993 Mercury Cougar

Allstar Performance Ford 9" Ring and Pinion Gear Set - Ratio: 5.14 AS04421 resulting in a clean andQuality differential components are suitable for race, street, and off road use. Lapped in matched sets for quiet operation. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar Performance.