I have used GSF car parts for a number of years, both locally and online. I used them locally as with mainly German Manufactured Cars parts were always correct for the vehicle I required, if parts were not in stock or unavailable, I would be notified as such. Unlike another supplier who simply sent the wrong part hoping to retain the order by offering the correct part when available next day or what ever? Not good if vehicle is stuck on lift over a weekend or customer wanting his vehicle. Just requested who makes the belts used with in the GSF Premium Timing belt kits for a 1.4 fiesta MK6/7 they were honest in their reply by stating kits are as supplied by INA/SNR both of whom make mechanical parts but to my knowledge not the Belts. As I like OE or Gates belts I have not placed my order. In my opinion GSF has always been a good honest Car Parts supplier and in the past when I have made the odd Warranty Claim honoured the same.