Öhlins Professional Motorsport Products TTX40 MkII

Our solutions are developed and tested together with the manufacturers’ test drivers and professional racing drivers in order to deliver the best suspension kit for circuit racing.


The four-way adjustable TTX40. Winner in Le Mans, Indy Car, touring cars, sports cars and GT-racing. Among others.

Ever since the its introduction this high-end level racing damper has been a winner in top level racing around the globe.

The TTX40 MkII twin tube damper features a 40 mm solid piston and a through rod shaft which eliminates the requirement of an external reservoir. The design is fully pressure balanced with a positive pressure build-up throughout the adjustment range, eliminating the risk for cavitation as well as enabling the use of low gas pressure, keeping the internal friction at bay. The top eye can easily be re-clocked without opening the damper.

The TTX40 MkII is a fully independent four-way adjustable damper. The MkII version also comes with a Valve Reference Program. This computer model of a dyno will allow you to find damping curves without a dynamometer. It reduces building time tremendously and allow exact damping adjustment out in the pit lane.

The TTX40 MkII is also available with a Blow Off piston kit. The advantage with this kit is that it reduces peak loads. This makes driving over curbs smother, saves tires and reduces the resk of getting flat tires.

The damper can be modified to suit most of the different types of racing cars and covers a wide range of car types and models. The TTX40 is also available in a two-way adjustable version for some models.


Fits the following vehicles


Part number

TTX40 MkII