5.2L FSI Audi R8 Gen.2 & Lamborghini Huracan V10 High End stud bolt Block BAR-TEK

High End stud bolt Kit for the engine block / main bearing lane for all 5.2L FSI V10 as in the Audi R8 and Lamborghini Huracan. A MUST for all engines that drive with charge pressure and ARP is not yet stable enough! BAR-TEK  stud bolt have a hexagon socket to screw in the stud bolt. Due to a cone on the block side of the bolts, these do not support when tightening the nuts on the thread flanks, but in the bore of the thread in the engine block . This support protects the threads when frequently installing high performance racing engines. Manufactured from ultra pure 18.8 tool steel All threads rolled for maximum strength with tapered end for preloading for optimum distribution of forces on all threads Hexagon socket drive for easy installation 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. Tightening torque in 3 stages. Last stage 85 Nm. incl. bag of Moly Paste Picture similar Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com