14 Nascar T&d Machine Ford C3 Shaft Roller Rocker Arms 1.60 1.68 1.65 1.85 Ratio on 2040-parts.com

Citroën DS5

Also revealed before the Shanghai show begins, is the latest Citroën to wear the DS moniker. The DS5 is said to fully express Citroën's 'Créative Technologie', combining 'style with innovative engineering solutions'. The DS5 is based on the C-SportLounge concept and takes the DS brand into the luxury segment.

Geneva motor show (2013) A-Z news and reviews

Welcome to CAR's guide to the 2013 Geneva motor show. We're bringing you news of every launch as it happens (including full details on the new 950bhp Ferrari LaFerrari and 903bhp McLaren P1) and we've gathered together all our stories on the most important new cars in this handy A-Z guide. Alfa Romeo 4CAlfa's gorgeous £50k Porsche Cayman rival Alpina BMW B3 BiTurboBMW tuner builds a turbocharged straight-six M3 Aston Martin Rapide S Aston facelifts its elegant limo, gives it extra 80bhp Aston Martin Vanquish CentenarySpecial 565bhp Vanquish celebrates Aston's 100th birthday Audi S3 SportbackAudi takes on the hot hatch crowd with 296bhp Quattro Audi RS Q3 It's the first ever SUV from Audi's RS tuning arm Bentley Continental Flying SpurBentley's fastest ever four-door packs 616bhp  Bertone RapideEver thought your Aston Rapide needed more boot space? Try this...

Aston Martin V8 Vantage N420 Roadster arrives

Aston Martin Vantage N420 Roadster It was back in June that Aston Martin announced the Aston Martin V8 Vantage N420, which is the 4.7 Vantage version of the N400, but this time – as the 4.7 Vantage is quite brisk without fiddling – the Vantage N420 has to make do with the regular model’s 420bhp. When we got the original detail on the Vantage N420 we only got photos of the N420 Coupe, even though Aston Martin made it clear that there would be a roadster too. And here it is in all its glorious Aston Martin Convertible carporn-ness.