Engine Gasket Kit. Big Bore Twin Cam 1999-2017 with 4.125in. Bore (0.040in.)

* MLS 0.040" thick Head Gaskets (OEM)

* Remember to check your clearances.

Tech Tips;

* Fits on OEM cases with 124ci Hot Set Up Kit.

* Fits on SE cases with 124ci TC124B built Hot Set Up.