ZONE 2011-2018 CHEVY 2500HD,3500HD UPPER CONTROL ARM KIT (WITH BALL JOINT) Short-Spread Port 5-4 inch diameter axle)

5-4 inch diameter axle)

Primary Tube Diameter: 1-3/4"

TOOTH COUNT: 23/23

THIS PAIR OF SOUTHWEST SPEED SMALL BLOCK CHEVY CHASSIS HEADERS ALLOW YOU TO KEEP THE EXHAUST SYSTEM UNDER YOUR 55-57 CHEVY CAR

ZONE 2011-2018 CHEVY 2500HD,3500HD UPPER CONTROL ARM KIT (WITH BALL JOINT) Short-Spread Port 5-4 inch diameter axle)Brand New Zone Offroad Adventure Series Upper Control Arm Kit (Part #ZONC2312). These arms are built from high strength steel, boxed, gusseted and fully welded for strength and rigidity. At the frame mount they use OE style rubber bushings for a long service free life and quiet operation. At the other end these arms feature an indexed ball joint cup designed for use with leveling and lifted applications. High strength ball joints are used with a