2020 Acura NSX Wheel Interchange

2020 Acura NSX Wheel Fitment and Bolt Pattern Guide

The common problem on the 2020 Acura NSX is balancing wheel style with strict clearance and hardware constraints. Offset and width changes can improve stance, yet they can also create rub, vibration, or hardware mismatch. Below I walk you through a safe, practical setup process using the on-page calculator, with validation steps I rely on in the shop.

1. Goal

Choose replacement wheels and tires for your 2020 Acura NSX that fit safely, protect handling performance, and avoid rub or vibration. Use the provided OEM baseline, confirm axle differences, and validate any changes with the calculator and physical checks.

2. Prerequisites

Known OEM fitment for at least one NSX axle is listed below. Other axle details may differ. The NSX often uses staggered sizes. Confirm each axle using your door-jamb tire placard and the owner’s manual before ordering.

Assumption: the table represents one axle baseline. Treat any change as a new setup that requires validation for both axles.

• Locate your tire placard. It is usually on the driver’s door jamb. Record front and rear wheel and tire sizes.
• Check for any brake or suspension changes that reduce clearance.
• Gather tools that help with accurate validation:
  • Torque wrench: search on Amazon
  • Digital caliper for hub and stud checks: search on Amazon
  • M14x1.5 lug nuts or bolts that match your wheel seat type: search on Amazon
  • Hub-centric rings for aftermarket wheels with a larger bore (70.1 mm ID): search on Amazon

3. Step by step

Step 1. Establish your baseline.

• Set the calculator’s “Installed on (your vehicle)” to 2020 Acura NSX.
• Enter the OEM size for the axle you are working on. Use the placard and owner’s manual to confirm both axles.
• If front and rear differ, run the calculator twice, one axle at a time.

Step 2. Compare a donor wheel or a custom size.

• Under “Wheels from (donor vehicle)” enter the proposed wheel. If unknown, use “Custom wheel size”.
• Adjust rim width and offset. Watch inner clearance and outer poke in the comparison.
• Trade-off: lower offset pushes the wheel outward and can contact fenders. Higher offset pulls inward and can hit suspension or liners.
• Note: changing rim diameter updates tire diameter in the comparison. Keep overall tire diameter near OEM to protect ABS, gearing feel, and speedometer assumptions.

Step 3. Validate brake, hub, and hardware fit.

• Center bore must seat on the 70.1 mm hub. If your aftermarket wheel has a larger bore, use quality hub-centric rings with 70.1 mm inner diameter.
• Thread size is M14x1.5. Match hardware seat type to the wheel design. Conical vs ball seat is not interchangeable.
• Confirm adequate stud engagement. The full thread should be engaged without bottoming.

Step 4. Check real-world clearances.

• Test fit a single corner with no tire rub. Turn lock to lock. Compress the suspension if possible.
• Inspect spoke and barrel clearance over calipers and knuckles. Allow a safe margin under load.
• If you plan spacers, they must be hub-centric with proper hardware and validated like any other change.

Step 5. Mount and torque correctly.

• Clean hub and wheel mounting faces. Remove rust and debris.
• Hand start fasteners. Torque in a star pattern to the OEM specification from the Acura service information.
• Recheck torque after a short drive to confirm clamp load stability.

4. Validation

• Use the calculator to compare inner and outer position vs OEM. Validate that the new setup clears suspension, liners, and fenders on both axles.
• Confirm overall tire diameter remains within a reasonable range of OEM to maintain systems behavior. The calculator shows diameter changes automatically when you change rim size.
• Measure on the car. A straightedge across the hub and a ruler help confirm backspacing and spoke-to-caliper clearance.
• Road test at multiple speeds. The steering should stay neutral, with no rub or vibration.

5. Troubleshooting

• Vibration at speed: check hub-centric fit, wheel balance, and torque. Ensure the wheel seats fully on the 70.1 mm hub. Rings are recommended when the wheel bore is larger.
• Rubbing on turns or bumps: review offset and width in the calculator. Reduce poke or overall tire section width, then retest.
• Brake caliper contact: inspect spoke design and barrel clearance. Some designs need more caliper relief. Choose a wheel with verified brake clearance or consider a small, validated spacer with correct hardware.
• Short thread engagement: verify M14x1.5 hardware length and seat type. Do not drive until proper engagement is confirmed.
• TPMS warning: transfer sensors if applicable and perform relearn per the Acura service procedure. Consult OEM instructions for your trim.

6. Wrap up

With the NSX, precision matters. Start from the OEM baseline above, confirm each axle, and use the calculator to visualize the trade-offs before buying. Validate hub bore, thread size, and caliper clearance, then torque to Acura specifications. If a detail is unknown or varies by trim, confirm it with the on-page calculator and OEM service information. This approach takes the guesswork out and leads from confusion to clarity with a fit that looks right and performs as intended.