Mr. Gasket Copper Seal Exhaust Gasket Set Features: Will Not Shrink/Deteriorate Creates A Tight Leak Proof Seal Helps Lower Under hood Temps Seals Irregular Surfaces Seals Slightly Damaged Surface Ideal For Tow Vehicles Ideal For Motor Homes Height: 22.50 Width: 3.60 Length: 0.20 Weight: 0.30 lbs