Wheel Lug Stud Front Part Numbers 27780B, 3778368 Overview A directfit front wheel lug stud intended for replacement or conversion applications on select light trucks and vans. Supplied as a single stud, it restores proper wheel attachment where an original stud is damaged, worn, or removed. Key benefits Restores wheel mounting integrity by replacing damaged or worn front lug studs. Direct compatibility with listed vehicle models, helping ensure correct fit and installation. Singlestud supply lets you only the affected stud without replacing the entire set. Designed to match original equipment fit and function for straightforward installation. Important attributes Type: Wheel lug stud Position: Front Quantity: 1 stud Part numbers: 27780B and 3778368 Compatibility: For use on the following vehicles Chevy C30 Pickup 1968 1969 1970 Chevy G30 Van 1970 Chevy P30 Series 1960 1961 1962 1963 1964 1965 1966 1967 and P30 Van 1968 1969 1970 GMC C35 C3500 Pickup 1968 1969 1970 GMC P35 P3500 Van 1967 1968 1969 1970 How it helps solve common problems Replaces stripped or bent studs that prevent proper wheel installation. Eliminates wheel wobble caused by compromised studs when installed correctly. Allows completion of brake or hub services that require removal of a stud. Typical use scenarios Replacement after a lug stud is stripped during wheel change or overtorque incident. Service or rebuild of front hubs where an individual stud is damaged and needs replacement. Adapting or restoring wheel mounting components during restoration projects for 1960s and early 1970s pickups and vans listed in the compatibility section. Installation notes Install one stud at a time using appropriate tools and procedures for the vehicle hub design. Torque lug nuts to the vehicle manufacturer recommended specifications. Inspect mating threads on wheel and nut for damage and any components that show excessive wear. Compatibility reminder Confirm fitment by matching the part numbers 27780B or 3778368 to your vehicle year and model before . This item is intended for the specific Chevy and GMC models and years listed above.