M177 Performance Head Studs

Modalworks Mercedes C63 E63 M177 Performance Head Studs Upgrade your M177 engine with this Modalworks Spec ARP Pro-Series head stud kit, precision-engineered for high-performance builds. Proudly made in the USA by ARP, these studs are crafted from ARP 2000 alloy steel and deliver the strength and reliability needed for high-boost, high-horsepower applications. OEM head bolts are prone to stretching under extreme pressure, which can cause cylinder head lift and head gasket failure. This Pro-Series kit eliminates that risk with studs rated at an industry-leading 220,000 PSI tensile strength. Designed for repeat use, these studs are a durable, race-proven solution that can withstand the demands of both street and motorsport environments. Kit Includes: 20 ARP 2000 head studs 20 high-strength nuts 20 hardened washers ARP Ultra-Torque fastener assembly lubricant Key Features: Made in the USA by ARP Material: ARP 2000 alloy steel, heat treated alloy steel Tensile Strength: 220