How long is the main slider tube?

The main tube (part A) is cut to 67" with points, using 45 degree cuts before cutting off the tips.

What size are the mounting plates?

The E mounting plates are 3" x 3", except the rear driver's side plate is 3" x 2.5" to clear the E-brake cables/brackets.

How long are the vertical legs (F and G)?

The builder set the sliders in place and measured: 16" in the rear and 16.5" in the front. The drawing shows F at 16" and G at 16.5".

When should the mounting holes be marked and drilled?

Mark the holes after all welds and grinding are done, and make sure to move anything away from the frame before drilling.

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Ford Bronco DIY Rock Sliders Blueprint - Dimensions, Cut List & Materials

Dimensioned fabrication drawing of rock sliders with materials and steps

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Dimensioned fabrication blueprint for rock sliders with a materials list and step-by-step build instructions.

AI caption August 2007 · Photo 45 of 519

This document is a homemade blueprint titled "90Beater Rock Sliders" showing how to fabricate a set of rock sliders (side frame protection bars), hosted/credited to Topher's World (www.tophersworld.com). The drawing labels each fabricated part with letters A through H: A is the main 67" tube cut with 45-degree ends, B are 3" angled supports (eight needed), C is a bottom tube measured after fitting A and B, D are end caps/tips welded on after assembly, E are 3" x 3" mounting plates (the rear driver's side plate is 3" x 2.5" to clear E-brake cables/brackets), F and G are vertical legs measured in place (builder used 16" rear and 16.5" front), and H is a cross piece measured and cut after G. Key dimensions include the 67" overall length with points, 21" spacing between supports, and the 3" x 3" plate detail. A materials list specifies 40 feet of 1.5" square .120-wall tubing, two pieces of 1.5" x 8" x .25" flat stock, three pieces of 3" x 3" x .25" flat stock, plus sixteen each of 3/8" x 1.25" bolts, 3/8" nuts, washers, and lock washers. A "Front" arrow indicates orientation. A reader can use this as a complete cut list and assembly sequence for building bolt-on rock sliders.

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Frequently asked questions

What materials are needed to build these rock sliders?: 40 feet of 1.5" square .120 wall tubing, two pieces of 1.5" x 8" x .25" flat stock, three pieces of 3" x 3" x .25" flat stock, plus sixteen each of 3/8" x 1.25" bolts, 3/8" nuts, 3/8" washers, and 3/8" lock washers.
How long is the main slider tube?: The main tube (part A) is cut to 67" with points, using 45 degree cuts before cutting off the tips.
What size are the mounting plates?: The E mounting plates are 3" x 3", except the rear driver's side plate is 3" x 2.5" to clear the E-brake cables/brackets.
How long are the vertical legs (F and G)?: The builder set the sliders in place and measured: 16" in the rear and 16.5" in the front. The drawing shows F at 16" and G at 16.5".
When should the mounting holes be marked and drilled?: Mark the holes after all welds and grinding are done, and make sure to move anything away from the frame before drilling.