ARP 253-5802 Ford 3.5L V6 EcoBoost Cyclone Main Stud Kit

The ARP 253-5802 is a premium ARP2000 main stud kit designed specifically for Ford 3.5L V6 Duratec/Cyclone and EcoBoost engines, featuring M10 outer and M9 inner hardware. This complete main bearing cap stud kit provides superior clamping force compared to factory torque-to-yield fasteners, helping prevent main cap walk, fretting, and crankshaft flex in high-performance applications.

Key Features:

• Manufactured from proprietary ARP2000 material rated at 220,000 psi tensile strength
• Thread rolled after heat treatment for exceptional fatigue resistance
• Centerless ground for superior concentricity and straightness
• Includes studs, parallel ground washers, and 12-point nuts
• Complete kit with ARP Ultra-Torque assembly lubricant
• Reusable fasteners unlike factory TTY bolts

ARP fasteners are precision-manufactured in California using premium-grade materials and rigorous quality control processes. Each stud is heat-treated vertically in special racks to ensure complete heat penetration, then centerless ground to achieve exceptional dimensional accuracy. This main stud kit is ideal for boosted applications, engine rebuilds, and performance builds requiring maximum bottom-end strength and reliability.