ARP HEAD STUD KIT FOR HOLDEN ONE TONNER VY ECOTEC L36 3.8L V6. ARP head studs greatly improve head-to-block sealing, which is important in engines with high power adders such as turbochargers, superchargers or nitrous. These studs will last for the lifetime of your Ecotec L36 and L67 Supercharged 3.8L V6 engines, making them a great investment! 01 X Moly lube packet. 08 X Shorter stud. 08 X Longer stud. Thread sealant is required for threads going into the block to prevent coolant leaks. Do not use a glue to seal these. Please remember to check out our other performance products for sale. At Mace Engineering Group, we take great care in packaging of your products appropriately to ensure that they arrive in perfect condition. We will then provide you with a replacement product as soon as possible. After appropriate testing, if it is found that the defect is due to misuse, willful damage, unauthorized repair or tampering with the product by the customer, return will not be accepted by Mace Engineering Group. Orders are neither dispatched nor delivered on weekends. Orders outside of Australia may take up to 10 days. Customer must return the defective item(s) first, with a full description of the problem. Appropriate tests will be conducted to determine the authenticity of the defects and claims. Once, Mace Engineering Group is satisfied, identical items(s) will be sent out to the customer. Please ensure proper packaging of the product to prevent any damage while in transit, as goods are at owner’s risk. Cam And Valve Train. Cold Air Intakes / Insulators.