Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines 20-OTL-NB-4XL Frame drilling required for installation

Frame drilling required for installation with a frame-side mounted hitch

Countersunk Washers 1/4" x 3/4"

1984-1993 Ford Mustang

Product Features:

Universal coolers reduce operating temperature of the fluid

Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines 20-OTL-NB-4XL Frame drilling required for installationAluminum 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