13.5 Late ModelClass Guide
13.5 Late Model pairs a transmission-equipped 2WD chassis with sealed Justock power and a ROAR-approved Late Model body. It rewards tire choice and disciplined setup work.
Rules Control the Build
This is a preparation guide. Review the current rulebook before buying parts or modifying the car.
Build Legal. Arrive Ready.
Use the 13.5 Late Model guide to confirm the platform, pack the common failure parts, inspect the car, and preserve a known baseline.
What Is 13.5 Late Model?
13.5 Late Model pairs a transmission-equipped 2WD chassis with sealed Justock power and a ROAR-approved Late Model body. It rewards tire choice and disciplined setup work.
Rules Summary
What a 13.5 Late Model Looks Like
These examples show the full-fendered dirt Late Model appearance racers should recognize in the 13.5 Late Model class.
Platforms & Manufacturers
These are practical starting points, not additional rules.
Custom Works RC
A common manufacturer path for transmission-equipped 1/10 dirt-oval Late Model builds.
Team GFRP
A common manufacturer path for legal 1/10 dirt-oval Late Model builds and supporting components.
1
Custom Works RC oval platforms.
2
GFRP oval platforms.
3
Other legal commercial 2WD transmission chassis.
Recommended Spare Parts
Carry the parts most likely to end a race day after a crash or drivetrain failure.
Parts Worth Carrying
Build a Parts Box
Keep common hardware, drivetrain pieces, steering parts, and suspension components together in one labeled container.
Pre-Race Inspection
A legal car can still lose track time through loose hardware, leaks, or a failed transponder.
Class Check
Universal Check
Baseline Setup
Record Before Adjusting
The setup sheet preserves the baseline. The quick tuning sheet gives a small adjustment direction. The Driver's Library explains why it works.
Related Setup Guides
Use the cheat sheet for direction, then open the full guide.
Prepare the 13.5 Late Model
Confirm legality, inspect the car, carry common failure parts, and record the baseline.