GAZ products are made to ISO9001 standard, TÜV and ISO 9000 certified and supplied with a 2 year warranty. Every unit is fully tested and leaves the factory with it's own individual dynometer report. Damper bodies are electro plated to resist salt spray and road grime on vehicles. Easy multi point adjustment for fine tuning. No need to remove the shock absorber to adjust. will fit MK2 GT6 & MK3 up to commission number KF20000