Top End Gasket Kit with 0.040in. Multi-Layer Steel (MLS) Head Gaskets. Fits Evo & Twin Cam 1984up with 4-1/8in. Bore S&S complete Engine.

S&S complete Evo & Twin Cam Motors with 4-1/8" Bore, running the wider S&S cylinder stud bolt pattern. This changes the base gasket.

* MLS 0.040" thick Head Gaskets (OEM)

* Remember to check your clearances.

* Will Not Work on OEM cases with 124ci Hot Set Up Kit.

* Will Not Work on S&S Dyna Engines 2006-2017

* Will Not Work on SE cases with 124ci TC124B built Hot Set Up.