Kentucky Lift Laws and Vehicle Equipment Laws

By Ben Brazda

Last updated:

Kentucky’s street legal laws are very open to vehicle modifications. There are no restrictions on a vehicle’s suspension, frame, or bumpers. Drivers can install suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards without worry.

Governing Laws
Code

Kentucky details its street legal laws in the Kentucky Revised Statutes (KRS).

KRS Title 16
Vehicle Dimensions
Dimensions

In Kentucky, vehicles have a maximum size of 96 inches wide, 11 feet 6 inches tall, and 26 feet 6 inches long for a single vehicle.

KRS 16-189-221
Tire Restrictions
Tires

All tires on vehicles driven in Kentucky must be safe. There is no listed minimum tire tread depth. Tire grooving is prohibited.

KRS 16-189-205
Wheel Restrictions
Wheels

Wheels are not covered in Kentucky’s laws.

Braking Requirements
Brakes

Vehicles driven in Kentucky are required to have brakes capable of stopping the vehicle from a speed of 20 mph within 40 feet. A secondary, mechanical, parking brake is also required.

KRS 16-189-090
Steering Laws
Steering

Kentucky requires that a vehicle’s steering system not be defective.

KRS 16-189-100
Suspension Laws
Suspension

There are no specific suspension laws in Kentucky.

Frame Requirements
Frame

Kentucky’s street legal laws do not list a frame height restriction.

Bumper Restrictions
Bumpers

Bumpers are not restricted under Kentucky’s laws.

Fender Requirements
Fenders

It is unknown if fenders and mud flaps are required in Kentucky.

Lighting Requirements
Lights

Kentucky only references headlights and tail lights in its statutes.

Light Number Min. Height Max. Height
Headlights 2 min. 24 inches 54 inches
Tail lights 2 min. n/a n/a

( Measured to the center of the light. )

KRS 16-189-040
KRS 16-189-050
Window Laws
Windows

A windshield and windshield wipers are required equipment in Kentucky.

KRS 16-189-110
Exhaust Requirements
Exhaust

Kentucky requires vehicles to be equipped with mufflers. Exhaust cutouts and bypasses are not allowed.

KRS 16-189-140
Engine Swap Rules
Engine

Engine modifications and engine swaps are not covered in Kentucky’s laws.

Emissions Testing
Emissions

The state of Kentucky does not require emissions testing.


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