Maine
(Maine Revised Statutes Title 29-A)
Summary: Specifically addresses headlight and frame height; tire size is limited to 2 inches larger than stock.
Headlights (§1904):
Mounted not higher than 54 inches nor lower than 22 inches. Snowplows are exempt.
Tires (§1917):
The overall diameter of the properly mounted and inflated tire must be "within 2 inches of the range of sizes recommended by the manufacturer for the model vehicle and the vehicle is in compliance with the frame height requirements provided in section 1920 [below]."
Splash Guards (§1953):
Not required for registered GVWRs of 6,000 pounds or less or on "a motor vehicle equipped with fenders."
| FRAME HEIGHT (§1920): |
| 4,500 lb GVWR or less |
24 in front, 26 rear |
| 4,501-7,500 lb GVWR |
27 in front, 29 rear |
| 7,501-10,000 lb GVWR |
28 in front, 30 rear |
Suspension (§1920):
"An original suspension system may not be disconnected. This section does not prohibit the installation of heavy-duty equipment, including shock absorbers and overload springs ..."
Source
Maine State Legislature
www.mainelegislature.org/legis/statutes/29-A/title29-Ach17sec0.html
New Hampshire
(New Hampshire Statutes Title 21, Chapter 266)
Summary:
Maximum 30-inch bumper height.
Bumper Height (§266:9):
Must be mounted no higher than 30 inches or lower than 16 inches "with tires inflated to manufacturer's maximum air pressure." Exceptions are made with "the prior approval of the director."
Source
New Hampshire General Court
www.gencourt.state.nh.us/rsa/html/NHTOC/NHTOC-XXI-266.htm
Vermont
(Vermont Statutes Title 23)
Summary:
Vermont currently doesn't restrict lifts or bumper/headlight heights.
Source
State of Vermont Legislature
www.leg.state.vt.us/statutes/chapters.cfm?Title=23
New York
(Laws of New York: VAT, TRA)
Summary:
New York's vehicle and transportation codes are exhaustive and insufferable. Bumper height is likely limited to 30 inches.

Shot in the Adirondacks, this JK on 37s was likely trailered to the trail. Any bumper high
Bumpers (§9-375-48):
"No person shall operate a motor vehicle designated as a nineteen hundred ninety or newer model year vehicle, which is registered in this state, except a motorcycle or special purpose commercial vehicle registered under schedule F of subdivision seven of section four hundred one of this chapter, which is so constructed that the body has a clearance at the front end of more than thirty inches from the ground when empty, unless the front end of the vehicle is equipped with bumpers or devices serving similar purposes which shall be so constructed and located that (I) some part of the bumpers or devices must be at least sixteen but not more than thirty inches above the ground with the vehicle empty; (II) the maximum distance between the closest points between bumpers or devices, if more than one is used, shall not exceed twenty-four inches; (III) the maximum transverse distance from the widest part of the motor vehicle at the front to the bumper or device shall not exceed eighteen inches; and (IV) the bumpers or devices shall be substantially constructed and firmly attached."
Source
New York State Legislature
public.leginfo.state.ny.us/LAWSSEAF.cgi?QUERYTYPE=LAWS+&QUERYDATA=@LLTRA+&LIST=LAW