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Latest build: Lady 190 in Red•Question: What wheel offset clears a big brake kit on a 2.5-16?•Classified: £1,200 · M102 2.3-16 Cosworth cylinder head, rebuilt•Latest build: Lady 190 in Red•Question: What wheel offset clears a big brake kit on a 2.5-16?•Classified: £1,200 · M102 2.3-16 Cosworth cylinder head, rebuilt•
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What wheel offset clears a big brake kit on a 2.5-16?

Asked by Dom P. · June 15, 2026 · 2 answers · Resolved

Running a 4-pot front kit and want to go 17s. What ET have people had success with up front without spacers or rubbing on lock?

2 answers

Tom B. June 15, 2026 ★ Best answer

On my 2.5-16 with a 330mm kit I run 17x8 ET20 up front, 225/45. No spacer, no rub on full lock. Anything tighter than ET20 and the spokes start kissing the caliper.

Marco R. June 15, 2026

Depends on the caliper. With Wilwoods I needed ET25 minimum and a 3mm spacer. Mock it up with the wheel off the car first.

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