Single 4-1/8" micropore .018" thick for 1999-2017 big twin and 2007-later T-series motors using H-D stud pattern. One gasket required per cylinder, 2 pack available (930-0101) Base Gasket, 4-1/8", 1999-2017, .018"SKU: 93-1092-S$13.95PriceQuantity*Add to Cart