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Beef Tubes Aluminum Beef Tubes 2 pcs Silver For MST CFX CMX #BT009A
These are an upgrade for the Max Speed Technology MSA axle housing that benefit the rig in several ways. The aluminum version does not add weight to your rig. They also "Beef" up the axle housing itself to help keep from snapping the housing in half. Another benefit is that they give you a solid metal mount for the c-hub and lockout screws, instead of the stock thin plastic that normally holds the screws and strips out easily. They will work in both the front and rear axles of the MST CFX and CMX.
*Photos for reference only.