0.030in. Thick Cylinder Head Gaskets. Fits Twin Cam with 4.125in. 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.

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

* Harley-Davidson Twin Cam 4.125" (4-1/8") MLS Head Gaskets.