3D MAXpider 22-24 Tesla Model X 5-Seat Elitect Black R1 R2

200,000 psi tensile strength puts these ARP studs well above stock hardware. If you're looking to upgrade your engine's reliability, especially if you plan on pushing your vehicle harder, these are a solid choice. They're made from a high-grade alloy steel that's heat-treated for extra strength, meaning they can handle more clamping force than factory bolts. This is important for keeping your head gaskets sealed under increased cylinder pressure, whether from forced induction or just spirited driving.

ARP has been in the business of making strong engine parts for a long time, and these studs are a testament to that. They use a multi-step heat-treating process that ensures the material is uniformly strong throughout. The threads are also rolled, not cut, which makes them stronger and less prone to stripping. When you install these, you'll notice they fit right into the block, and the included nuts and washers are well-made, making the job straightforward. It’s a good idea to have a torque wrench handy to get them tightened down to spec, ensuring the best seal.