1.8T 20V High End stud bolt cylinder head BAR-TEK®

High-end stud bolt kit for the cylinder head for all transversely mounted 1.8T 20V.A MUST for all engines that run with high boost pressure and for whom ARP is not yet stable enough!BAR-TEK® Stud bolts have a hexagon socket for screwing in the stud bolt. Due to a cone on the block side of the studs, they are not supported on the thread flanks when the nuts are tightened, but in the bore of the thread in the engine block. This support protects the threads during frequent assembly of racing engines. Manufactured from ultra-pure 18.8 tool steelAll threads rolled for maximum strengthwith taper for pretensioning for optimum force distribution on all threadsHexagon socket drive for easy assemblyTensile strength over 1800 N/mm² (270,000 psi)Nickel coating for outstanding corrosion protectionreusableUp to 35% stronger expansion steel than ARP bolts. Manufactured from ultra-pure 18.8 tool steel All threads rolled for maximum strength with taper for pretensioning for optimum force distribution on all threads Hexagon socket drive for easy assembly Tensile strength over 1800 N/mm² (270,000 psi) Nickel coating for outstanding corrosion protection reusable Up to 35% stronger expansion steel than ARP bolts. incl. bag of moly paste Tightening torque in three passes. Last stage 110 Nm. Attention: From model year 1998 upwards, the diameter of the head bolts has been changed from 11mm to 10mm.