Winters Differential TrackStar 2nd Generation CHOP3MD and they've been manufacturing Chevy

and they've been manufacturing Chevy S10

1973-1985 Chevrolet Impala

That's almost double the output of a stock H

B-100 1979-1975

Winters Differential TrackStar 2nd Generation CHOP3MD and they've been manufacturing ChevyProduct 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