ARP Main Stud Kit for Mazda Miata

ARP Main Stud Kit for Mazda Miata Upgrade the strength and reliability of your Mazda Miata's bottom end with the ARP Main Stud Kit. Engineered for precision, this kit replaces factory main bolts with high‑strength studs to improve crankshaft support, reduce bore distortion, and extend bearing life under increased power or track use. Fitment: Direct fit for Mazda Miata (MX‑5) engines — stock and common aftermarket applications Material: Aircraft‑grade alloy steel delivering superior tensile strength and fatigue resistance Finish: Corrosion‑resistant coating for long‑term durability and dependable performance Kit contents: Complete set of main studs, hardened washers and ARP fastener assembly lubricant where applicable Performance benefits: Improved engine stability, consistent torque retention, reduced main bore distortion — ideal for high‑RPM, forced induction, or race builds Manufactured by ARP, a leader in fastener technology, this Main Stud Kit is designed for precise fitment and reliable installation. Easy to install with all necessary hardware included, it’s a trusted upgrade for enthusiasts, engine builders, and motorsport applications. Protect your investment: Strengthen your Miata’s crank support and gain peace of mind on the street, autocross, or track with ARP quality.