Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines 20-OTL-NB-4XL Unit includes black powder-coated aluminum

Unit includes black powder-coated aluminum frame

standard static flow design

but all auto racing safety gear is "fire retardant"

EZ Mount system packages the manifold and upgraded heavy-duty compressor into a factory-assembled bracket

Product Features:

Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines 20-OTL-NB-4XL Unit includes black powder-coated aluminumAluminum block off plates seal exhaust ports during engine storage or repairs. Plates help protect against moisture, dust, and dirt. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar