CYLINDER HEAD BOLT SET FITS: VW GOLF IV 1.9 TDI/1.9 TDI 4MOTION. VW GOLF MK IV 1.9 TDI/1.9 TDI 4MOTION. VW GOLF IV 1.9 TDI/1.9 TDI. I. Bolt Head-/nut Design. Thread Size. We will get back to you as soon as possible in 1-2 working hours and in 24 hours during the weekend.