0.040in. Thick Cylinder Head Gaskets. Fits Twin Cam with 4.125in. Bore.

Fitment:

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

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

* Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating.

* Compressed operating thickness is .040". (Pair)