Allstar Performance Exhaust Block Off Plates - SB Chevy - Standard Port 24-CHL-N-65 Increased peak G threshold on

Increased peak G threshold on the 54cm to 59cm size and 60cm-64cm size

Reliable and quiet

Leader in Fit

Compatibility: Fits air pumper filter for MAC Air

Allstar Performance Exhaust Block Off Plates - SB Chevy - Standard Port 24-CHL-N-65 Increased peak G threshold onAluminum 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