Allstar Performance Exhaust Block Off Plates SB2 Plastic ALL34217

If you're running a Small Block Chevy engine with aftermarket heads or a custom build, exhaust port blockoff plates are essential for proper air sealing and preventing unwanted exhaust leakage. These Allstar Performance plates eliminate gaps at the exhaust ports, ensuring all combustion gases flow through your intended exhaust path for maximum scavenging efficiency. A simple, bolt-on solution that prevents air leaks and maintains cylinder head integrity.

• Exhaust port blockoff
• Small Block Chevy compatible
• Pair included
• 1/4 in thickness
• Plastic construction
• Black finish
• SB2 specification
• One-piece design
• Bolt-on installation