Reaction Block, 10 1/2 Inch Axle. GMC Truck GMC K Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Driveline/Axle 🢒 Rear Drive Axle - Locking/Limited Slip Rear Axle 🢒 Reaction Block, 10 1/2 Inch Axle

Gear Size	Reaction Block Size
10 1/2"	0.787"