New Genuine Alarm Control Unit (ultra Sonic Module), 65 75 6 938 048 on 2040-parts.com

One Lap of the Web: Semi-truck drifting, quintessential British cars and Jay Leno's Garage

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- When you think of Gymkhana, you normally just think of Ken Block ripping up streets with a Ford Fiesta.

£2m McLaren P1 GTR for Pebble Beach

McLaren McLaren will show its new P1 GTR – pictured here for the first time in an official teaser shot above – at the Pebble Beach Concours d’Elegance car show next month. The P1 GTR will feature a number of circuit-biased modifications – including a 1,000hp engine – and will cost £1.98 million. McLaren P1 GTR: track-focused modifications The GTR is based on McLaren’s P1 hybrid hypercar, itself designed not to be the fastest, but the most focused, involving and advanced driver’s car there is.

Custom cars with an extreme sports theme at SEMA 2013

The annual Speciality Equipment Market Association (SEMA) Car Show is one of the world's biggest events for modified motors. In short, if you want to check out the most weird, wonderful and wacky cars in the world, head for SEMA. And naturally, the event is held in Las Vegas.