Two pack of multi-layered steel .030" thick head gaskets for 3-7/8", 3.927" or 3.937" bore 1999-2017 big twin and T-series motors, including Twin Cooled motors. Head Gasket, 3-7/8" - 3.937", 1999-2017, .030", 2 packSKU: 900-0605$79.95PriceQuantity*Add to Cart