Top End Gasket Kit. Fits Twin Cam 1999-2017 with 98 or 107ci, 3.937in. Big Bore Cylinders (0.045in.)

Features & Benefits:-

* Fits 3.927" & 3.937" Bore.

* Includes 0.045" Head Gasket

Tech Tips:-

TWIN COOLED HEAD GASKETS WILL RETRO TO AIR COOLED HEADS & CYLINDERS