Top End Gasket Kit with 0.030in. Multi-Layer Steel MLS Head Gaskets. Fits Touring 2017-2024 & Softail 2018-2024 with S&S 129/132ci (4.320in.) Engine or SE131 (4.310in.) Engine. Cobra Exhaust * Must use 1" handlebar

* Must use 1" handlebar

SS33-5177)

designed specifically for solid mount Sportster models

* The end result is the Speedsters deliver the kind of power increase you normally experience with a 2-into-1 system

659" length Connecting Rods

Top End Gasket Kit with 0.030in. Multi-Layer Steel MLS Head Gaskets. Fits Touring 2017-2024 & Softail 2018-2024 with S&S 129/132ci (4.320in.) Engine or SE131 (4.310in.) Engine. Cobra Exhaust * Must use 1" handlebarFeatures & Benefits: * Used for 131ci or 132ci upgrade 4. 310" 4. 320" Bore * MLS 0. 030" thick Head Gaskets (thinner than OEM) * Provides an additional increase in compression. ** Remember to check your clearances. Tech Tips: * Use of these head gaskets without proper clearance checks can lead to catastrophic engine failure * Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up