Allstar Performance 5/8 in Head Rivet - 3/16 in Mandrel - 1/8-1/4 in Grip Range - Aluminum - Set of 250 Safety Equipment Special Offers Butler Built Air Ducts are

Butler Built Air Ducts are used by many top NASCAR competitors

More features include a vented waist expansion panel for increased movement

Metric inlet thread is M10-1

these mounts provide a solid and professional look for your vehicle

9 in Wide x 4 in Height

Allstar Performance 5/8 in Head Rivet - 3/16 in Mandrel - 1/8-1/4 in Grip Range - Aluminum - Set of 250 Safety Equipment Special Offers Butler Built Air Ducts areLarge head rivets have a 5 8" O. D. head and packaged 250 per box. 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 Performance. Product Description: Rivet 5 8 in Head 3 16 in Mandrel 1 8 1 4