IS MY MOD LEGAL?

Lift Kits in New Jersey

Conditional

New Jersey requires an elevated-vehicle approval certificate for any elevation above the original vehicle height, and caps lift at 7, 9, or 11 inches by GVWR class.

Verified against primary sources · August 2026

What the law says

Elevation resulting solely from a tire-diameter increase of 4 inches or less is exempt, as is front elevation of 2 inches or less from a snowplow. Lift is measured at the lowest edge of the centerline of the operator's door. New Jersey is one of the few states with a permit regime rather than a flat cap.

Specific Limits

Max lift
7 in up to 4,500 lb GVWR; 9 in 4,501-7,500 lb; 11 in 7,501-10,000 lb
Exemption
elevation solely from a tire-diameter increase of 4 in or less
Permit required
elevated-vehicle approval certificate for any elevation above original height

Statute

N.J.A.C. 13:20-37.2, 13:20-37.6

Read the statute →

Frequently Asked Questions

Are lift kits legal in New Jersey?
New Jersey requires an elevated-vehicle approval certificate for any elevation above the original vehicle height, and caps lift at 7, 9, or 11 inches by GVWR class.
What are the exact lift kits limits in New Jersey?
Max lift: 7 in up to 4,500 lb GVWR; 9 in 4,501-7,500 lb; 11 in 7,501-10,000 lb. Exemption: elevation solely from a tire-diameter increase of 4 in or less. Permit required: elevated-vehicle approval certificate for any elevation above original height. Source: N.J.A.C. 13:20-37.2, 13:20-37.6.

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