Cometic
Cometic, EST top end gasket kit. Twin Cam 3-7/8" bore
Cometic, EST top end gasket kit. Twin Cam 3-7/8" bore
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With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: Kit comes with 99-04 style valve seals and 99-10 style breather gaskets.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.