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

Geneva Show 2014: McLaren reveals 650S Spider and Coupe

BRITISH MARQUE McLaren has expanded its supercar range at the Geneva Motor Show with the introduction of the 650S. Slotting between the 12C and the spectacular P1, the 650S comes in Coupe and Spider forms and has much in common with its siblings. The structure of the 650S is shared with the 12C, made exclusively of carbonfibre and extremely light.

Ecclestone faces £4 million bill

MOTORSPORT boss Bernie Ecclestone must pay lawyers' bills adding up to about £4 million despite winning a High Court fight with a German media company, a judge has ruled. In February, Mr Justice Newey had dismissed a claim for around £80 million in damages by Constantin Medien - which had said it lost out after Mr Ecclestone entered into a "corrupt agreement" with a banker to facilitate the sale of the Formula 1 Group to a buyer chosen by him. But, despite ruling against Constantin after a High Court trial in London, the judge had described 83-year-old Mr Ecclestone as not "reliable or truthful".

Concept Car of the Week: Heuliez H4 (1972)

With the H4, Heuliez set out into unexplored territories by offering a concept tailored to the needs of taxi drivers. If today's minivans are an integral part of our daily lives, this Peugeot 204-based H4 should be placed back in its original context in the early ‘70s, when this monovolume architecture still belonged to science fiction. Its dimensions are comparable to a Renault Modus although it's shortened by 140mm.