Harley Davidson Clutch Plate Set '54-'70 Sportster 7 Plate Kit on 2040-parts.com

New photos of Tesla Model S show more aggressive style

Tesla dropped some new photos of the Model S Alpha sedan on us on Monday, and the car is looking more like a production vehicle every day. The shots show a Tesla Model S in a shade of black sporting a new front fascia with a lower, sharper, more aggressive look. It includes some vents for possible brake or engine cooling purposes, along with the same 10-spoke fan-blade wheels as the concept car.

Porsche reveals 911 GT3 Cup racer for Frankfurt Auto Show

Last week, Porsche unveiled the new 911 GT3 RS for well-heeled drivers who like to test their mettle on the track during the weekend. Now, we get the full-bore race version of the car, the GT3 Cup, to be shown at the Frankfurt auto show next month. The GT3 Cup car is similar to the GT3 RS.

CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.