TreadCompass

Triumph Spitfire Lug Nut Torque

The 1962–1980 Triumph Spitfire lug nut torque is 65 ft-lbs (88 N·m).

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Triumph Spitfire · 1962–1980

Lug nut torque
65ft-lbs88 N·m
Same spec for every year 1962–1980.
  • ✓ 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 Spitfire

Compare prices across retailers for your size.

155/80R131962–1980 · Compare prices →

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Triumph Spitfire lug nut torque FAQ

What is the lug nut torque for a Triumph Spitfire?

The 1962–1980 Triumph Spitfire lug nut torque is 65 ft-lbs (88 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all Spitfire trims use the same lug nut torque?

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

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

No. It has been 65 ft-lbs (88 N·m) for every model year we have, 1962–1980.

What size tires come on the Triumph Spitfire?

Factory tire sizes include 155/80R13 (1962–1980). 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.