AXLE,WIDE 5,DRILLED,31 SPLINE,32 1/2" Spindle Parts 1 1/2" OF ADJUSTMENT ALLOWING

1 1/2" OF ADJUSTMENT ALLOWING SPRING TO BE SPACED FROM 2" TO 3 1/2"

2001-2010 Sierra 2500 HD 4WD with 7" Lift

These headers will only fit automatic transmissions

3/8"-16 THREADS X 1 1/4" LONG

FITS 1971-1972 BIG BLOCK CHEVROLET C10 PICKUP

AXLE,WIDE 5,DRILLED,31 SPLINE,32 1/2" Spindle Parts 1 1/2" OF ADJUSTMENT ALLOWINGWIDE 5, HIGH TORQUE, HEAT TREATED RACING AXLE 32 1 2" IN LENGTH 31 SPLINE INNER X 24 SPLINE OUTER STRONG GUN DRILLED CONSTRUCTION POLISHED INTERNALLY & EXTERNALLY TO RELIEVE STRESS SOUTHWEST SPEED 5X5 AXLES STEP UP ON THE DRIVE PLATE END ABOUT 4" FROM THE SPLINES TO 1 3 8" IN DIAMETER, WHILE WIDE 5 AXLES HAVE ONE DIAMETER FOR THE COMPLETE LENGTH OF THE AXLE