Wheel Spacers — 1.25" to 1.5" for the JL Wrangler

The JL Wrangler runs a 5×5 (5×127mm) bolt pattern with a 71.5mm center bore. Most trims come with modest stock offsets — the Sport and Sahara sit around +44mm, the Rubicon at a slightly more aggressive +30mm. When you move to 35" or larger tires, particularly on the Sport and Sahara, the stock offset can leave tire contact with the lower inner fender on full articulation. A 1.25"–1.5" spacer resolves that without requiring a wheel swap.

Hub-centric fit is the non-negotiable specification here. A hub-centric spacer seats on the hub's center bore, keeping the wheel centered by the hub rather than relying on lug torque alone. Lug-centric spacers exist and are cheaper — they also allow microscopic hub runout to become vibration. Buy hub-centric.

The 1.25" spacer is the sweet spot for a JL running 35s on a mild-to-moderate lift. It resolves common inner fender contact and adds visual stance without pushing the wheel to the outer edge of the fender flare. The 1.5" spacer works for builds with wider aftermarket fenders or for owners running 37s who want maximum clearance on articulation.

Spidertrax is the long-standing premium choice in this category — their bolt-on spacers use extended studs, which are mechanically superior to a spacer with its own stud pattern that stacks studs. BORA makes a quality hub-centric unit at a lower price point. Rugged Ridge's OEM-style spacers are the budget option and perform the task without drama.

Do not run spacers over 1.5" on stock JL wheel studs without upgrading to extended studs — the engagement length on the lug nut drops to marginal beyond that thickness.

Steps

1. Break lug nuts loose on the wheel before jacking. Jack the vehicle, remove the wheel.
2. Clean the hub face and the spacer mating surfaces with a wire brush — rust or debris causes runout.
3. Install the spacer onto the hub, aligning the center bore. Thread the included extended studs or lug bolts.
4. Torque the spacer mounting hardware to 95–100 ft-lb in a star pattern.
5. Reinstall the wheel over the spacer studs. Torque lug nuts to 100 ft-lb in a star pattern.
6. Lower the vehicle and perform a final torque check on the lug nuts with the vehicle at full weight.
7. Re-torque after the first 50 miles.

Why it works

• Resolves inner fender contact on 35s and 37s without a wheel purchase
• Hub-centric design eliminates vibration from runout — fits like a proper part
• 1.25"–1.5" stays within the JL's fender flare footprint — no additional cutting needed
• Reversible if you later switch to offset wheels that don't need the spacer

Trade-offs

• Extended studs (or included stud hardware) must be torqued to spec — undertorquing causes loosening on trail
• Spacers over 1.5" require upgraded studs for safe lug engagement — do not skip this step
• Adds a maintenance item: re-torque after first 50 miles and check periodically on trail rigs
• Budget slip-on (lug-centric) spacers are not acceptable for off-road use — pay for hub-centric

Tools required

• floor jack
• jack stands
• torque wrench
• socket set
• wire brush (lug seat cleanup)

Parts

Sources

• Spidertrax JL Wheel Spacer Fitment Guide
• BORA Wheel Spacers JL Application

Related

• Wheel Selection for the JL — Steel, Alloy, and Beadlock
• Running 37" Tires on the JL — Rubicon vs Non-Rubicon Fitment
• All Jeep Wrangler JL guides & tools
• Browse the full DIY database

Written and maintained by an AZ wheeler and driveway wrencher. How we source guides. Always cross-reference your factory service manual — modifications affect vehicle safety and warranty. Work at your own risk.