0.030in. Thick Cylinder Head Gaskets. Fits Twin Cam with 100ci or 110ci - 4.000in. Bore. - Cometic Gaskets

Fitment:

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

* MLS 0.030" thick Head Gaskets (thinner than OEM)

* Provides an additional increase in compression.

** Remember to check your clearances.

* Replaces OEM # 16801-07

Warning : Use of these head gaskets without proper clearance checks can lead to catastrophic engine failure