* Mercruiser 4.3l 5.0l 5.7l V6 V8 Crankshaft Pulley 15120 Triple Groove on 2040-parts.com

First look: 2014 BMW M3 and M4

The BMW M3 is back, faster and more powerful than ever before -- but only as a four-door sedan. For its iconic 3-series-based performance model, BMW will dispense with a 26-year tradition of high-revving naturally aspirated engines in lieu of turbocharged six-cylinder power. Revealed here in production-car guise for the first time, the new 425-hp M3 sedan will be joined at the outset by its sister model, the M4 -- a mechanically identical but stylistically sleeker two-door coupe previewed in lightly veiled concept-car form at the Pebble Beach concours in California last August.

New Lexus RC F to rival BMW M4

Lexus has confirmed the first details of a new RC F high performance model, which will debut at the Detroit Motor Show 2014 next week. Driven by what’s said to be the most powerful 5.0-litre V8 ever offered by Lexus, the RC F is set to top the new RC coupe range that was unveiled at the 2013 Tokyo Motor Show last November. A spiritual successor to the old Lexus IS F, the RC F will become the first rival to challenge the new BMW M4 later this year.

Zagato TZ3 Stradale: Alfa curves meet America muscle

The beautiful Alfa Zagato TZ3 Stradale There’s been a lot going on to celebrate the centenary of Alfa Romeo, not least the cars created to pay tribute to a marque that still oozes petrol from every pore. January 2011 saw the Alfa Romeo Pininfarina Concept at Geneva Motor Show, April saw the Alfa Romeo TZ3 Corsa début at Villa D’Este and Christmas had us expecting a Zagato TZ4 Stradale after Zagato’s Christmas card seemed to show what we thought could be an Alfa Romeo Zagato TZ4 all wrapped up in a bow. Now, four months on, Zagato has taken the bow of the Christmas present and presented us with the Zagato TZ3 Stradale, beautiful Alfa curves and based on a … Viper.