Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won't shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing. Product Features:These are made from 043 solid copperThey have a 051 embossment around portEnd holes are slotted for ease of installationSeals minor surface irregularitiesMade from dead soft copper
