Every frame we list for the Nissan Skyline R33 GT-R (BCNR33): BRIDE FG, IG and MO rails and the two Planted brackets, with hole patterns drawn to scale, sliding and seat height notes, and a chart of which seats suit which rail.
Everything that goes between your seat and the floor. Subframes, side mounts, sliding runners and the bolt patterns that decide which of them you need. Most of the fitting problems we get on the phone come down to the bracket and not the seat, so this is the section to read before you order either.

Every frame we list for the Nissan Skyline R33 GT-R (BCNR33): BRIDE FG, IG and MO rails and the two Planted brackets, with hole patterns drawn to scale, sliding and seat height notes, and a chart of which seats suit which rail.

How to fit the Bride Zeta IV in a Toyota Starlet EP82: the BRIDE FO or FX side mount rail (290mm x 395mm, up to 30mm lower), the part numbers for each side, and why the RO, MO and XL rails do not suit it.

The five reclining sport seats we recommend for the Volkswagen Lupo, with the Sparco sub-frame route, runner pairing table, and a full fitting guide built around the 345mm bolt pattern.

The five reclining sport seats we rate for the Mini R53 Cooper S, with the Sparco fitting frame route, runners and what a tight cabin means for your choice.

The five reclining sport seats we rate for the Nissan Skyline R32 and R33, with the Planted Technology bracket that bolts each one straight to the factory floor points.