GP Factor's rock sliders for the INEOS Quartermaster are built from A36 HRPO steel and bolt directly to the factory chassis using existing threaded locations and through-holes, with no modifications to the truck. The design pairs a 1.9" round tube with a 3" x 1.5" rectangular tube, so the outer tube protects the body as a rock slider and doubles as a small utility step. The round tube sticks out 3.6" from the side of the vehicle. It's the same design as GP Factor's station wagon slider, in a longer length.
The three-piece mounts are cut from thicker 1/4" steel and bolt to the sliders through full CNC M12 threaded sleeves that run through the entire slider body and are welded on both sides. The main body is shot blasted, zinc primed and finished in textured black powder coat to match the truck, while the hidden mounts get a yellow zinc chromate coating. Drainage holes in the slider bottom and mount gussets let moisture escape.
| Spec | Detail |
|---|---|
| Material | A36 A1011 HRPO steel; 1.9" OD round tube, .120" wall, welded to 3" x 1.5" rectangular tube, .120" wall |
| Mounts | Three pieces per side, 1/4" HRPO A36 steel, yellow zinc chromate |
| Finish | Main body: zinc primer with textured black powder coat |
| Hardware | Metric M12 and M10, Class 10.9, yellow zinc chromate |
| Weight | 59 lbs (26.8 kg) per side, 118 lbs (53.5 kg) total |
| Origin | Made in the USA (Lancaster, PA) |
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