Allstar Performance Exhaust Block Off Plates - SB Chevy - Spread Port H776001XXL and 210cc series cylinder heads

and 210cc series cylinder heads

1973-1973 Chevrolet K20 Suburban

They start with a multiple layer breathable media combined with a unique filtration technology resulting in superior filtration

1965-1974 Oldsmobile Delta 88

1974-1974 Plymouth PB300 Van

Allstar Performance Exhaust Block Off Plates - SB Chevy - Spread Port H776001XXL and 210cc series cylinder headsAluminum 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