Harley Evo Sportster 1200 Complete EST Gasket Kit 3.500 Bore- Cometic C9757F. Cometic Extreme Sealing Technology (EST) Complete Gasket Set - C9757F EST kits ensure critical seal and superior durability that meets and exceed OE specifications MLS (multi-layer-steel) head gaskets are ideal for any combination of head and cylinder materials, comprised of two embossed viton coated stainless steel outer layers and variable stainless center layer The variable center layer allows us to create multiple gasket thickness options, no re-torque is required after initial torque set Rubber coated single layer steel base gaskets are viton rubber coated with a steel core AFM material engine cover gaskets are made for a chemically blown compounded nitrile synthetic rubber that is bonded to an aluminum core. AFM has a temperature resistance of over 250 degrees F and an 85 percent recovery while maintaining a strong torque retention, they also install dry and do not require a re-torque Viton valve stem seals are made from hi-temperature Flouroviton with Teflon to prolong valve stem life and have a spring on the wiper to maintain a positive seal Race style exhaust gasket that will not fray into the port Copper washers and Viton o-rings are used to seal drain plugs and engine covers with stock o-ring seals Included Items: (2) Base gaskets (4) Engine case gaskets (2) Race style exhaust gaskets (2) Head gaskets (2) Intake manifold gasket seals (1) Engine sprocket oil seal (1) Shifter shaft oil seal (1) Cam gear cover oil seal (1) Sportster trans. Seal (1) Oil pump oil seal (26) Assorted o-rings (4) Brown viton o-rings (1) Quad ring (4) Valve stem seals (9) Copper washers (8) Vulcanized stud washers (1) Washer (1) Trans/engine drain/switch washer (2) Rocker box gaskets (2) Inner Rocker Gaskets (2) Upper rocker box gaskets (2) Lower rocker box gaskets (2) Carb seal o-rings (1) Intake reed gasket (1) Oil pan/pump gasket. The item "Harley Evo Sportster 1200 Complete EST Gasket Kit 3.500 Bore- Cometic C9757F" is in sale since Friday, January 18, 2019.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Gaskets & Seals". The seller is "2troublemakers" and is located in Springville, California. This item can be shipped worldwide.