ARP Miata Engine Hardware Upgrade Package

Upgrading your engine's power potential also requires those stock parts to stay strong, if not stronger than they are capable of being. When adding major amounts of power, make sure you don't skimp on the cheap insurance of adding the stronger hardware to protect the investment. Head and main studs allow you to tighten your engines components properly and accurately without stretching, and also keep that high-compression under control when boosting or using a high-compression naturally aspirated pistons.