Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Concept Car of the Week: Pininfarina Peugette (1976)

Unveiled in 1972, the Peugeot 104 was a compact car with a simple and honest design by Paolo Martin. The most powerful ZS model was more of a warm hatch than a hot one, but it did feature a 1124cc engine with 66bhp. Thanks to the car's weight of only 760kg, the car could reach speeds of up to 100mph - terrifying in a 104.

Citroen C4 Cactus revealed in production guise ahead of Geneva Motor Show Debut

The Citroen C4 Cactus (pictured) revealed in production spec The Citroen C4 Cactus could probably not have been conceived by anyone other than the French, and the concept we saw at Frankfurt last year was certainly original. Now, Citroen are putting the C4 Cactus in to production and, surprisingly, not a huge amount has changed from the concept. That means the C4 Cactus – with a wheelbase the same as a C4 but with a footprint more the size of a supermini – weighs in at just 980kg, so even though its engines are small and frugal it will have acceptable performance.

Audi RS5, Ducati & Pikes Peak

Audi are running an RS5 at the Pikes Peak Hillclimb event in Colorado and taking the opportunity to showcase Ducati with a competition. The Pikes Peak International Hillclimb is a 12 mile hillclimb event held in the Pikes Peak Mountain Range in Colorado, with 156 turns and a climb to 4,720 feet. A test of any car (or motorbike).