Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Lexus RC F & RC F Carbon price and specs – costs from £59,995

The Lexus RC F (pictured) costs from £59,995 The Lexus RC F Coupe arrived earlier this year at the Detroit Motor Show and now, following the end of IS F production to make way for it, the RC F is going on sale in the UK, with prices starting at £59,995. Whether the RC F offers enough to prove a challenge to the BMW M4 remains to be seen, but on paper it all looks very promising – and good-looking. In the UK, the RC F will come in two guises – RC F and RC F Carbon – with both models getting the same 5.0 litre V8 with ‘more than’ 450bhp and 383lb/ft of torque driven to the back wheels through an eight-speed Sports Direct Shift gearbox.

One Lap of the Web: Brazilian Volkswagens and unnecessary Volkswagens

-- Ever seen a Volkswagen SP2? It's a Brazil-only model made between 1972 and 1976 because, at the time, the Brazilian market was closed to imports. Just over 10,000 examples were made, and some have made their way to the U.S.

Concept Car of the Week: Citroën Karin (1980)

With the 1980 Paris Motor show approaching and no new model to unveil, Citroën needed something to wow the crowds on its home turf. Trevor Fiore – who followed Robert Opron as the head of Citroën Design for a short time – gave the go-ahead for an innovative concept starting from a blank sheet of paper. The final concept was named Karin, and it was nothing short of breathtaking.