Allstar Performance 34218 LS Engine Exhaust Block Off Plates

The Allstar Performance 34218 exhaust block-off plates are designed specifically for LS engine applications where exhaust ports need to be sealed. These plates provide a clean, professional solution for blocking unused exhaust ports during engine building, testing, or when running alternate exhaust configurations.

Key Features:

• Precision-engineered for LS engine exhaust port dimensions
• Durable construction ensures reliable sealing under high temperatures
• Ideal for engine dyno testing, mock-ups, or specialty exhaust setups
• Easy installation with proper gaskets (sold separately)
• Prevents exhaust leaks and contamination during engine preparation

These block-off plates are essential tools for engine builders and performance enthusiasts working with LS-series engines, providing a secure seal when exhaust ports are not in use. Perfect for race preparation, engine development, or custom exhaust fabrication projects.