Winters Differential TrackStar 2nd Generation 91919929 5" - Short - Replaces

5" - Short - Replaces Chevrolet OEM (3990914/3988989/3777409/3989488) - 2 pc

153:1 Gear Ratio

Engraved Front: Mustang - Engraved Rear: Pony

7/8 in Pin

Winters Differential TrackStar 2nd Generation 91919929 5" - Short - ReplacesProduct Description: Differential Carrier 2nd Generation Trackstar Aluminum End Cap Steel Winters 10 in Quick Change Sold Individually For more than 60 years, Winters Performance Products has been producing high performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick change gear sets to shifter assemblies, as well as many components specifically for the sprint car market. Winters