Cometic gasket set, cylinder head. 3.5" bore .030" MLS - 84-99 B.T.(excl. Twin Cam); 88-22 XL1200 (excl. 08-12 XR1200) (NU) 519574 Sometimes there are special forces

Sometimes there are special forces that require you to go with it

For the Arlen Ness cartridge style wheel hubs

Note 2: See 537001 for the matching passenger seat

Two sided with straight & 90° tip

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Cometic gasket set, cylinder head. 3.5" bore .030" MLS - 84-99 B.T.(excl. Twin Cam); 88-22 XL1200 (excl. 08-12 XR1200) (NU) 519574 Sometimes there are special forces. 030" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of stainless springsteel which is covered by high temperature rubber on both sides. The inner ring is also stainless steel. These 3 layer gaskets are rivited together, outside the gasket surface, for ease of installation. MLS head gaskets eliminate the use of dowel pin o rings. Standard 3 1 2" bore. OEM replacement reference 16770 84D, 16770 84F.