Gasket Seal Half GM LS 98-06 4.8L/5.3L/6.0L

Description

This Gasket & Seal Lower Conversion Set is designed specifically for GM LS-series engines (1998–2006), covering the popular 4.8L, 5.3L, and 6.0L variants found in many trucks and performance builds.
​Often referred to as a “Bottom End” or “Conversion” kit, this set provides the essential seals required when assembling the lower block or transferring components to a new short block.
​Key Features & Benefits
​Precision Fitment: Engineered to meet or exceed OEM specifications for a leak-free seal on Gen III LS iron and aluminum blocks.
​High-Temp Durability: Gaskets are manufactured from premium materials designed to withstand the high thermal stresses of performance driving and heavy-towing applications.
​Complete Lower Coverage: Includes the critical seals often missed in top-end kits, ensuring a professional-grade engine refresh.
​Typical Kit Contents
​While exact contents can vary by brand, this half-set generally includes:
​Oil Pan Gasket: Multi-layered steel (MLS) with an elastomer bead.
​Rear Main Seal: High-grade Viton or PTFE for superior oil retention at the crankshaft.
​Rear Main Seal Housing Gasket: For a secure block-to-cover seal.
​Front Timing Cover Seal: Essential for the front of the crankshaft.
​Front Timing Cover Gasket: To seal the cover to the engine block.
​Water Pump Gaskets: For a reliable cooling system connection.
​Oil Pickup Tube O-Ring: Critical for maintaining consistent oil pressure.