Stretching a Jeep YJ changes more than wheelbase. As the body and frame are extended, the factory rocker length no longer matches the new layout. The result is a gap in the side profile that leaves exposed areas and breaks up the body lines of the build.
The Motobilt 6 Inch Stretch Rocker Guards are designed to extend the rocker area and match the additional body length created during a stretched YJ build. By adding six inches to the rocker profile, these guards help bridge the transition between the factory tub and the extended rear section while providing protection where trail damage commonly occurs.
Built from 3/16-inch A36 steel, these rocker guards are designed to handle contact with rocks, ledges, and obstacles while adding strength along the lower body. The formed construction maintains a clean, straight body line and complements the appearance of a properly stretched Jeep YJ.
The MB1231 provides rocker protection, while the MB1231-S incorporates an integrated step for improved access to lifted vehicles.
Designed to work alongside other stretched YJ components, these rocker guards integrate with stretch corner armor and rear chassis modifications to create a finished body profile. Like all Motobilt products, they are designed by builders who understand the fabrication and fitment challenges involved in transforming a YJ into a more capable off-road vehicle.
Important Information
- Fits 1987-1995 Jeep YJ
- Designed for 6-inch stretch corner guards MB1232 series
- Available with or without integrated step
- Constructed from 3/16-inch A36 steel
- Helps extend rocker protection and body lines on stretched builds
- Designed to integrate with stretch corner armor and related body modifications
- Made in the USA
Product Specifications
Vehicle Fitment
1987-1995 Jeep YJ
Part Numbers
MB1231
MB1231-S
Material
A36 Steel
Thickness
3/16"
Dimensions
11.7" H x 5.2" W x 62.3" D
Weight
MB1231: 68 lbs
MB1231-S: 88 lbs
Manufactured
Made in the USA
Installation Notes
- Intended for stretched Jeep YJ builds utilizing a 6-inch Stretch Corner Armor MB1232 series
- Test fit rocker guards with adjacent armor and body panels before final welding or coating.
- Verify body alignment before permanently installing stretch-related components.
Frequently Asked Questions
What is a 6-inch stretch rocker guard?
A 6-inch stretch rocker guard extends the rocker area to match the additional body length created during a stretched Jeep YJ build while providing side protection.
Does this fit a stock Jeep YJ?
These rocker guards are designed for stretched body configurations and are not intended for a factory-length YJ body.
What is the difference between MB1231 and MB1231-S?
MB1231 is the standard rocker guard. MB1231-S includes an integrated step.
What material are these rocker guards made from?
They are manufactured from 3/16-inch thick A36 steel.
Are these structural or cosmetic?
These rocker guards provide both protection and additional strength along the lower body while helping complete the body lines of a stretched Jeep YJ build.
