TreadCompass

Triumph TR7 Lug Nut Torque

The 1976–1981 Triumph TR7 lug nut torque is 80 ft-lbs (108 N·m).

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Triumph TR7 · 1976–1981

Lug nut torque
80ft-lbs108 N·m
Same spec for every year 1976–1981.
  • ✓ Tighten in a star pattern, in two passes, with a torque wrench (not an impact gun)
  • ✓ Re-check the torque after the first 50–100 miles
  • ✓ Confirm against your owner’s manual; aftermarket wheels can differ

Source: TreadCompass vehicle fitment database. Page updated November 2026. Specs can vary with aftermarket wheels and lug hardware, so always confirm with your owner’s manual.

Factory tire sizes for the Triumph TR7

Compare prices across retailers for your size.

185/80R131976–1981 · Compare prices →

Other Triumph models

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Triumph TR7 lug nut torque FAQ

What is the lug nut torque for a Triumph TR7?

The 1976–1981 Triumph TR7 lug nut torque is 80 ft-lbs (108 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all TR7 trims use the same lug nut torque?

Yes. Every TR7 trim in our database uses the same lug nut torque for a given model year.

Has the Triumph TR7 lug nut torque changed over the years?

No. It has been 80 ft-lbs (108 N·m) for every model year we have, 1976–1981.

What size tires come on the Triumph TR7?

Factory tire sizes include 185/80R13 (1976–1981). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.

New to torquing wheels? See how to torque lug nuts and common questions.