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

There's a 2015 Ford Mustang convertible on the way, too

Almost immediately after the Ford Mustang debuted, buyers could choose from three body styles -- a hardtop, a rag-top convertible and a fastback (which actually came out a few months later than the hardtop and convertible). We already knew that the 2015 Mustang will arrive as a fastback (sorry, notchback partisans), but Ford has just announced that a drop-top version is also in the works. Pictures of the convertible sport a shiny "5.0" badge on the side and and chrome "GT" badge on the back, but we assume all the standard engines -- the 5.0-liter V8, 3.7-liter V6 and that new 2.3-liter EcoBoost turbo-four -- will be offered.

Nissan hires Magna Steyr to build new entry-level Infiniti car

Nissan said Thursday that Austrian contract manufacturer Magna Steyr will build a new premium compact car for the Infiniti brand, starting in 2014. Infiniti boss Andy Palmer said in a statement that the car will help the brand to reach new consumers and grow in key markets such as western Europe. Nissan did not give any more details about the car or say whether it will be sold in markets outside Europe such as the United States.

Ariel Atom 700 is a turbo-supercharged 700-hp track weapon

If you're willing to ditch sleek supercar looks and just about every automotive creature comfort in the pursuit of pure performance, you might consider the Ariel Atom 3. Powered by a 2.4-liter Honda I4 engine cradled in an exoskeletonlike frame, the Atom 3 boasts a 0-to-60-mph time of just 2.9 seconds But maybe those performance numbers just aren't enough for you. If so, Piedmont, S.C.-based DDMWorks might have a solution.