Stage 8 Locking Header Bolt Kit 8936 on 2040-parts.com

Mazda reveals date for all-new MX-5

Mazda has confirmed that the all-new fourth generation Mazda MX-5 (ND) will be unveiled in September 2014. The new MX-5 will be shown simultaneously at events in the USA, Japan and Barcelona in Spain. 2014 also marks the 25th anniversary of the introduction of the first MX-5 – also know as the Eunos Roadster and Mazda Miata – in 1989.

GM bets on new four-cylinder family in Europe; U.S. plans unclear

General Motors' European subsidiary, Opel, has revealed a turbocharged 1.6-liter four-cylinder direct-injection gasoline engine that will be offered from early 2013 across its lineup, starting with the soon-to-be-revealed Astra-based Cascada convertible. The aluminum block unit, the first in a new range of so-called SIDI (spark ignition direct injection) ECOTEC engines, forms the centerpiece of the company's downsizing strategy for displacement. The engine is claimed to have improved torque characteristics and a significant reduction in consumption compared with its predecessor.

Dartz improves the G63 AMG 6x6

Half-million-dollar vehicles tend to be polarizing. Why, for example, might one drop extra-large coin on an Aventador Roadster when a Boxster S offers so much usable fun for a fraction of the price? Your average modern sports car is fast enough; why buy a supercar?