4" Mod Truck Rules

Motor: 

Stock Legal Motors:

JK Hawk 25, H&R Cobra 26k rpm

Chassis: 

Any commercially available 4 inch flexi stamp steel chassis.

.047 Chassis height.

Axles:

No hollow axles. 1/8 or 3/32. No ball bearings allowed.

Gears:

Any ratio, 48p and 64p only. 

Tires:

Any rear tires sold in-store, no minimum size, as long as minimum chassis height is maintained.

Width:

83mm or 3.268" max width overall. No weight minimum.

Body:

JK 4" Truck bodies only.

Must be painted and numbered.

All bodies must have 1/8" front bumper, must have full tailgate.

If chassis has front wheels, at least 3/4 of wheels must be visible. No front wheels require wheel stickers or wheel dots.