2005 Arctic Cat 400 4x4 Auto Transmission Primary & Secondary Clutches, Belt on 2040-parts.com

Future products: Ownership change may revive 2 small Porsches

Now that it's owned by Volkswagen, Porsche reportedly is planning two small vehicles that the German sports car maker's previous management had nixed. Porsche is expected to increase the size of its Boxster roadster, leaving room at the bottom of the range for a smaller midengine car engineered jointly with Volkswagen. A small SUV also is likely to be added.

Lexus needs excitement in post-LFA era

Lexus' 552-hp V10 halo car, the LFA sports coupe, drives into the sunset at an awkward time for the luxury brand. During the LFA's two-year production run, which ended Dec. 14, it was positioned as the ultimate expression of Lexus quality and performance -- and carried a $375,000 sticker to match.

Sir Stirling Moss, 81, retires from racing

While participating in a live interview with Joe Bradley of RadioLeMans.com on Thursday, Sir Stirling Moss announced his retirement from the sport that he loves. "This afternoon I scared myself, and I have always said that if I felt I was not up to it or that I was getting in the way of fellow competitors, then I would retire," Moss said. Moss is one of the most recognizable figures in motorsports, with a career that has spanned more than 60 years.