Malone Crossbed Truck Rack Tonneau Cover Adapter Mounting Hole Spacing

Updated 07/23/2026 | Published 07/19/2026

Question:

Im interested in the Malone Crossbed truck rack tonneau cover adapter. Can you provide the measurements of the holes on the top of plates center to center where the crossbars would mount?

asked by: O’Neil L

Expert Reply:

Hi O'Neil,

I'd be happy to help! The mounting holes on the top of the Malone Crossbed Truck Rack Tonneau Cover Adapter part # MAL88HR are spaced 2-5/8 inches from center to center.

Those holes are designed specifically to match the Malone Crossbed Truck Rack system, so if you're planning to mount a different brand of crossbar or rack, let me know what you have in mind. I'd be happy to help you determine whether it'll line up or if another solution would work better for your setup.

what do you haul most on your truck bed rack?

expert reply by: Heather A

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O’neil L.

7/23/2026

Ok that should work. I have the HD rhino rack and the base plate holes are 2 5/8” from center to center. What is the weight capacity of the Malone crossbed adapter?

Heather A.

7/23/2026

@O’neilL Hi! Yes, the Malone CrossBed Truck Rack Tonneau Cover Adapter, Part # MAL88HR, is based on the Malone CrossBed Truck Cross Rail System, which is rated for up to 500 pounds. You can try with the Rhino Rack but it's not approved yet for other racks.