S&s 106" Stroker Flywheel Assembly Harley-davidson Flhxi Street Glide 2006 on 2040-parts.com

Audi RS7 Sportback (2013) first official pictures

This is the new Audi RS7 Sportback, just unveiled at the 2013 Detroit auto show. It's an A7 Sportback given the hardcore RS treatment, meaning a 552bhp and 516lb ft 4.0-litre bi-turbo V8 that will sprint the RS7 to 62mph in 3.9sec. That's faster than the latest Porsche 911 – it seems life just got a bit harder for the Mercedes CLS63 AMG and BMW M6 Gran Coupe.

Mazda Motorsports names John Doonan director

Mazda North American Operations on Friday promoted John Doonan to director of Mazda Motorsports, effective immediately. Doonan joined Mazda North American Operations in 2003 and worked in the company's advertising and marketing department. He became manager of motorsports team development before 2005.

Mercedes introduces C-Class Estate

Mercedes-Benz introduced a wagon variant of its new C-Class today at its factory in Bremen in northwestern Germany. The C-Class Estate is not only an affirmation of the popularity of the Benz wagon, a popularity that transcends decades as well as engine swaps, but also a commitment to Bremen -- a facility that already builds the C-Class, along with the E-Class, SL, SLK and GLK. The C-Class Estate makes extensive use of aluminum construction -- up to 50 percent of its body is made of the stuff.