Top End Gasket Kit with 0.040in. Multi-Layer-Xtreme MLX Head Gaskets. Fits Touring 2017-2024 & Softail 2018-2024 fitted with 4.500in. Big Bore Kit. - Cometic Gaskets Exhaust Shields Withstands temperatures up to 500

Withstands temperatures up to 500 degrees

Fits Sportster 2014up with 11

* The course threads are 3/8-16

MFR PART No: ST-STT-14-B

Top End Gasket Kit with 0.040in. Multi-Layer-Xtreme MLX Head Gaskets. Fits Touring 2017-2024 & Softail 2018-2024 fitted with 4.500in. Big Bore Kit. - Cometic Gaskets Exhaust Shields Withstands temperatures up to 500Features & Benefits: * 4. 500" Bore * MLX 0. 040" thick Head Gaskets (Multi Layer Xtreme) * Our MLX Gasket (Multi Layer Xtreme) features an extra 'stopper' fold over layer providing a torque limiting surface that prevents yielding of the combustion seal. Tech Tips: * Use of these head gaskets without proper clearance checks on these custom built spec motors can lead to catastrophic engine failure. Remember to check your clearances! * ALL bores over 4.