Engines * | S&S Cycle Head Gasket 3-7/8 3.937 Bore .045 Thick

Multi-Layered Steel .045 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.

3-7/8 , 3.927 Or 3.937 Bore

.045 Thick