Additionally

The kit increases the engine height by

The floating construction ensures optimal heat dissipation and reduces the risk of warping under heavy braking

minimizing pressure and increasing comfort on long stretches

Easily installs around the spark plug

Cometic, cylinder head gaskets 3-7/8" bore .040" MLS APPAREL AdditionallyMLS (Multi Layer Steel). Front and rear gasket for one engine. 3 7 8" (3. 875") fits 103" OEM HD Twin Cooled engines only. Will not fit 103" non Twin Cooled models. Stock Twin Cam gasket is approx. 0. 040" thick. OEM replacement reference 16500066. MLS (Multi Layer Steel) explained: MLS consists of a top and bottom layer of embossed stainless steel, both sides coated with 250C heat resistant polymer rubber. The inner rings are also stainless steel.