Derale Performance 35603 Billet Aluminum Rear Galley Plug Barbell for GM LS Engines

The Derale Performance 35603 is a precision-machined billet aluminum rear galley plug designed specifically for GM Generation III and IV LS engines. This essential component features a distinctive "barbell" design that provides secure, leak-free sealing of the rear oil galley passage during engine builds and modifications.

Key Features:

• CNC-machined from high-grade billet aluminum for superior strength and durability
• Barbell-style design ensures proper installation depth and prevents over-insertion
• Direct replacement for factory rear galley plugs on LS1, LS2, LS3, LS6, LS7, LS9, LQ4, LQ9, and other Gen III/IV engines
• Prevents oil pressure loss and ensures proper lubrication system function
• Anodized finish resists corrosion and high-temperature degradation
• Essential for rear-sump oil pan conversions and custom engine applications

This rear galley plug is critical when converting to a rear-sump oil pan configuration or when building custom LS engine applications where the factory rear galley passage needs to be sealed. The precision-machined design ensures a perfect fit and reliable seal, making it a must-have component for engine builders and performance enthusiasts working with GM's popular LS platform.