Sparco R100 Vinyl seats in a Ford Ka Mk1: the Sparco Ka sub-frame with its bridge piece at £131.77 a side, the Sparco sliding runner kit at £41.94 a seat, and the R100 Vinyl at £282.00. The fitting order, the stack diagram and the pair price.

Sparco R100 Vinyl seats in a Ford Ka Mk1: the Sparco Ka sub-frame with its bridge piece at £131.77 a side, the Sparco sliding runner kit at £41.94 a seat, and the R100 Vinyl at £282.00. The fitting order, the stack diagram and the pair price.

A pair of Sparco R100 recliners in black with red edge trim for a 2015 Civic Type R FK2, and the fitting kit that actually fits: not a Sparco frame, not the Planted ninth generation bracket, but the genuine BRIDE MO rail coded for the FK2 at £282.00 a side. The full stack, priced.

A 260,000 mile Astra H needs two comfortable front seats. The Sparco R500 package and what it costs, three alternatives, the five-door frame check we will not guess at, and what has to happen to the airbags and belt wiring.

A customer has Recaro LX seats coming for his Nissan 240Z and sent us his own hole measurements. His drawing redrawn to scale, what the 406mm width tells us, and the one bracket we sell for this car.

A bucket seat on direct fit side mounts sits as low as a Megane R26 will physically allow. Here are the two ways a seat mounts in one, and what both builds cost per side.