Drag racing is a brutal sport. Launching a car on a sticky track is hard on drivetrains and losing is hard on egos. If something breaks, not only does it hurt your wallet—it means you’re loading up ...

Today's Mopars are packing some serious power and need a strong rear axle to survive. With big-block Chryslers thundering horses from 500 inches or more, the once reliable 831/44 rearend is probably ...