Author name: Joe

When it comes to extracting the maximum performance from Audi’s legendary 2.5 TFSI engines found in the RS3 and TTRS, […]

STK Performance warrants that all Performance Camshafts are free from defects in material , workmanship and against excessive wear for

STK Performance Valve Train Products (VTP’s) are manufactured from the finest Quality Materials available and have been Developed & Tested