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917 K
Porsche›917›917 K (Kurzheck)

917 K

917 K (Kurzheck) · 1970–1971RWDPrototype

The 917 K used a shorter, higher tail developed in late 1969 to cure the original car instability, and with engines growing from 4.5 to 5.0 litres it became Porsche championship and Le Mans winner. It took Porsche first overall Le Mans victories in 1970 and 1971.

592 hpPower
360 km/hTop Speed
1970-1971Year
Engineering passport

Specifications

Powertrain
Engineering details
Displacement4.9 L
Cylinders12
AspirationNaturally aspirated
FuelPetrol
TransmissionManual
DrivetrainRWD
Performance
Numbers that matter
Power592 hp
Torque548 Nm
Top speed360 km/h
Weight800 kg
BodyPrototype

STORY

The 917 is the car that finally won Porsche the race it craved most. Built to exploit new 5.0-litre rules, its air-cooled flat-12 and knife-edge handling made it fearsomely fast and, at first, terrifying, until aerodynamic rework tamed it into a champion.

On 14 June 1970, Hans Herrmann and Richard Attwood drove a Porsche Salzburg 917 KH, number 23, to Porsche's first-ever overall victory at the 24 Hours of Le Mans, in appalling wet conditions. A second Le Mans win and two World Sportscar titles followed.

Later, turbocharged and unleashed in Can-Am, the 917/30 produced well over 1,000 hp and utterly dominated the series. Immortalised by the film Le Mans, the 917 is routinely called the greatest racing Porsche, and one of the greatest race cars, ever built.

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