EVRBUL Oil Barbell for LS Engine – Billet Aluminum Oil Galley Plug for GM Gen III/IV LS V8, Oil Diverter Barbell Replaces 12573460

Overview

Meet the EVRBUL Oil Barbell for LS Engine, a precision billet aluminum oil diverter plug crafted for GM Gen III and IV LS V8 engines. This plug is designed to guide oil through the galley with durability and reliable sealing in mind, supporting consistent oil routing during maintenance or upgrades.

Made from 6061 aluminum billet, it stands up to heat and corrosion while remaining manageable to handle during service. The surface is engineered for a smooth finish with rounded corners, reducing turbulence and helping oil follow the intended path toward the filter and pressure zones.

Key benefits

• 6061 aluminum billet construction for strength and heat resistance
• Three FKM O rings provide a reliable seal against unfiltered oil
• Broad compatibility with GM Gen III and Gen IV LS V8 family including LS1, LS3, LS6, LT series and more

What you get and how it helps

• Replaces common LS engine oil plug part numbers with a modern reusable design
• Smooth rounded corners reduce bypass risk and support steady oil flow
• Pre drilled M4x20 threaded hole enables straightforward removal for service and reuse

Compatibility at a glance

This plug is intended for a wide LS engine range, including multiple variants across GM Gen III and Gen IV families. It supports configurations such as LS1, LS2, LS3, LS6, LT1, LT4, LT5 and related 4.8L to 6.2L displacements, among others. Always verify fitment for your specific model.

Real-world use cases

Ideal during engine rebuilds, performance upgrades, or routine oil-system maintenance. The barbell-style plug offers a compact, reusable solution when you want confidence in oil distribution without sacrificing serviceability. Think of a straightforward swap during a throttle response or fuel system refresh where an orderly oil path matters.

Design and installation tips

Torque to the manufacturer’s spec and ensure proper seating of the O rings for a durable seal. The three O rings provide redundancy, and the aluminum construction keeps weight manageable for handling during installation or removal.