Moroso 25157 LS Exhaust Block Off Plates - Aluminum Pair

The Moroso 25157 LS Exhaust Block Off Plates provide a clean, professional solution for sealing exhaust ports on LS engines during storage, transport, or engine builds. This pair of aluminum plates is designed to fit LS-series engine exhaust ports, preventing debris, moisture, and contaminants from entering the combustion chamber through open exhaust passages.

Key Features:

• Precision-machined aluminum construction for durability and corrosion resistance
• Designed specifically for LS-series engine exhaust ports
• Sold as a pair to cover both exhaust sides
• Ideal for engine storage, shipping, or during engine assembly
• Reusable design for multiple applications
• Lightweight yet robust construction

These block off plates are essential for engine builders, racers, and enthusiasts who need to protect valuable LS engines during builds or while in storage. The aluminum construction ensures long-lasting performance while remaining lightweight and easy to install and remove as needed.