Cometic
Cometic, EST top end gasket kit. M8 4.125" bore
Cometic, EST top end gasket kit. M8 4.125" bore
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EST (Extreme Sealing Technology). 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. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads.
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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
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Founder-led aftersales
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