Brake Duct Flange - Nosepiece Mount - Driver / Passenger Side - 3 in Tube - 6.5 in Long x 4 in Wide - Aluminum - Each Brand Allstar Performance Outside hole dimension: 5-1/2 Inside hole dimension: 4 Overall dimensions: 6-1/2 x 4 Accepts a 3 hose ALL42160 Truck Freight- NO State Restriction-
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/