Corbeau side-mount seats now use M10 fixings, so on M2 or PCI fitting kits the M8 holes need drilling out slightly. Here are the routes that work.

Corbeau side-mount seats now use M10 fixings, so on M2 or PCI fitting kits the M8 holes need drilling out slightly. Here are the routes that work.

What the extra bracket in a Sparco sub-frame box is for, where it goes in the fitting stack, and the thread mismatch we found on the Mini R56 frame.

Which bucket seats fit a Ford Fiesta ST150, from XL fibreglass shells to steel frame seats, and the Cobra and OMP sub-frames that bolt them in.

Can you swap a crutch strap between FIA harness brands? No: FIA harnesses are approved as complete harnesses. Why, what the sub strap does, and what to do if yours is damaged.

Cobra Nogaro Circuit or Recaro Pole Position ABE? How the two fixed back road and track seats compare on height, harness slots, shoulders and hips, and how each is fitted.