Mountune, the tuning and parts specialist for performance and racing Fords, has announced that it is seeking a buyer or investment partner for the business.
The company, which is not in administration, has appointed KPMG to help it find an investor "to recapitalise the business and to unlock management’s growth aspirations".
It is the UK business that is for sale and it has an annual turnover of around £6 million in both aftermarket performance parts and race engines.
A new buyer could be Ford itself, or an interested dealer group or aftersales business with a taste for fast Fords.
Andrew Williams, Mountune director, told AM: "We are owned by a venture capital business who have decided to realise their part of their investment in the group.
"We have appointed KPMG to find the right new investor to assist management in realising our current plans."
Williams said a number of interested parties have already been in contact about investing.
Mountune released a short statement to the press saying: "With 40 years heritage, the business has provided race engines globally to professional trophy winning race teams and developed an aftermarket performance parts business, with a loyal and affluent customer base, selling globally through their online platform and dealers."
Mountune is the only approved tuner for Ford Motor Company and its Mountune Performance products therefore do not affect the base warranty of Ford vehicles.
The company's main factory is based near Brentwood in Essex and it also has a facility in Los Angeles, USA.
Its Essex HQ also has a workshop on site to carry out specialist tuning, remapping and servicing work.
Mountune released a 520hp version of the 2.3-litre Ecoboost Ford Focus RS late last year.