In Idaho, maximum bumper heights are in line with many other states' regulations. This K5
Idaho
(Statutes, Title 49)
Summary: Idaho uses bumper heights to limit lifts.
| BUMPER HEIGHTS (§49-966) |
| 4,500 lb GVWR or less |
24 in. front, 26 rear |
| 4,501-7,500 lb GVWR |
27 in. front, 29 rear |
| 7,501-lb GVWR or more |
28 in. front, 30 rear |
| 4x4s, dualies under 7,501 lb GVWR |
| 30 in. front, 31 rear |
Fenders, Mudflaps (§49-949): Fenders or covers must be "constructed as to be capable at all times of arresting and deflecting dirt, mud, water, or other substance as may be picked up and carried by wheels ..."
Headlights (§49-905): Mounted no higher than 54 inches nor lower than 24; two lights minimum.
Taillights (49-906): Mounted no higher than 72 inches nor lower than 20; one light minimum.
Foglights (§49-918): Mounted no higher than 30 inches nor lower than 12; two lights maximum.
Passing Lights (§49-918): Mounted no higher than 42 inches nor lower than 24; two lights maximum.
Driving Lights (§49-918): Mounted no higher than 42 inches nor lower than 16 inches; two lights maximum.
Source
Idaho Statutes
www.legislature.idaho.gov/idstat/Title49/T49.htm
Montana is generally good to go as long as lights are mounted at appropriate heights. This
Montana
(Montana Code, Title 61)
Summary: Montana doesn't have any law on lifts, frame height, or bumper height. Lights must be mounted within a specified range above the ground. Bumpers and tire coverage are both required.
Headlights (§61-9-203): Mounted no higher than 54 inches nor lower than 22; two lights minimum.
Taillights (§61-9-204): Mounted no higher than 72 inches nor lower than 15; one light minimum.
Foglights (§61-9-217): Mounted no higher than 30 inches; two lights maximum.
Passing Lights (§61-9-217): Mounted no higher than 42 inches nor lower than 24; two lights maximum.
Driving Lights (§61-9-217): Mounted no higher than 42 inches nor lower than 16; two lights maximum.
Bumpers (§61-9-430): "(1) A motor vehicle of less than 10,000 pounds gross vehicle weight or rating registered in Montana, except a motorcycle, a quadricycle, a motor-driven cycle, or a farm tractor, must be equipped with a front bumper and, unless the vehicle is equipped with work-performing features that make installation impractical or unnecessary, with a rear bumper.
"(2) This section does not apply to a street rod, as defined in 61-1-101 , vehicles not originally equipped with front or rear bumpers, or vehicles for which bumpers were not required by federal law or regulation at the time of manufacture."
Fenders, Mudflaps (§61-9-407): Required, must extend down to at least 20 inches above the ground for vehicles 8,000 pounds GVWR or less, at least 10 inches above the ground for vehicles exceeding 8,000 pounds GVWR.
Source
Montana Code Annotated 2009
data.opi.mt.gov/bills/mca toc/61.htm
Oregon doesn't have lift laws. As such, what's left of this '84 4Runner on 36-inch Iroks c
Oregon
(Revised Statutes, Title 59)
Summary: Oregon is one of the most lenient states in the country for lifted vehicles. Tires must be covered to contain road debris. Maximum heights for auxiliary lights are spelled out.
Auxiliary Lights (§59-816-060): Maximum height is 54 inches.
Fenders, Mudflaps (§59-815-180, 59-815-182): Required, must extend the full section width of the tread and protrude down to at least 27 inches above the ground.
Source
Oregon State Legislature
www.leg.state.or.us/ors/801.html