Oil Drain Plug Standard 5/8-18, Head Size 9/16 In. - Dorman# 65314 on 2040-parts.com

Video: Previewing the cars of RM Auction's Monterey sale

Get an early, behind-the-scenes look at some of the cars set to cross the block at RM Auctions' sale this week as part of the Pebble Beach Concours weekend, with Autoweek's Andrew Stoy and Hagerty's Rob Sass. The Monterey Week is packed with car shows, vintage racing and car auctions. Autoweek will be there providing streaming photo galleries and live coverage of the Pebble Beach Concours d’Elegance, historic racing at Laguna Seca, the Monterey car auctions and much more.

2014 Porsche 911 Turbo Cabriolet and Turbo S Cabriolet revealed UPDATED

The 2014 Porsche 911 Turbo Cabriolet and Turbo S Cabriolet have been revealed Update: We published this article before Porsche revealed UK prices for the Turbo and Turbo S Cabriolet. But now we have them. The Porsche 911 Turbo cabriolet will cost £126,766 and the Turbo S Cabriolet £149,511, with both going on sale December 2013.

Ferrari 550 Barchetta Zagato GTZ sells at Bonhams

The Ferrari 550 Barchetta Zagato GTZ - fetched £350k at Bonhams Regular readers may remember that we exclusively reported that Zagato were working on five Ferrari 550 Barchettas to create the Ferrari 550 GTZ just over a year ago. That report caused all sorts of grief as Zagato and their photographer threatened us with all manner of hellfire and brimstone for spoiling their secret. The resulting grief meant we had to take down their photos, but our story stood.