• Contact us: 800-969-7501
  • We'll ship today if ordered in:
    0 6 HR : 4 8 MIN : 1 9 SEC
    Shipping Cutoff Times
    Shipping Type Order By
    Standard Ground 8:00pm CST
    UPS Three Day Select 8:00pm CST
    UPS Second Day Air 8:00pm CST
    UPS Next Day Air Saver 4:00pm CST
    UPS Next Day Air 4:00pm CST
    USPS Parcel Select 6:00pm CST
    USPS Priority Mail 6:00pm CST
    FedEx Economy 3:00pm CST
    FedEx Standard 3:00pm CST
    FedEx Priority 3:00pm CST
    Canada Postal Service 11:30am CST

    Orders placed during the weekends or the following holidays will ship the next business day.

    • New Years Eve
    • New Years Day
    • Christmas Eve
    • Christmas Day
    • Memorial Day
    • Independence Day
    • Labor Day
    • Thanksgiving Day
    Click for more details.
  • As low as 0% APR for up to 12 months with affirm
Dennis Kirk Dennis Kirk Inc.
    Welcome!
    Sign in

    Caps lock is on

    Forgot password?
    Create an Account
    Order Status Find a registry Gift Cards Help/Contact
    0

    Your Cart

    Your shopping cart is currently empty.
    Harley Motorcycle UTV ATV Dirt Bike Snow
    Harley Parts back
    Shop By
    Popular Models
    Harley Accessories back
    Shop By
    Popular Models
    Harley Tires back
    Tire Parts & Accessories
    Shop By
    Featured Brands
    Harley Exhaust back
    Harley Exhaust Parts & Accessories
    Shop By
    Featured Brands
    Helmets back
    Helmet Parts & Accessories
    Shop By
    Featured Brands
    Apparel back
    Casual Apparel
    Shop By
    Featured Brands
    Featured Harley Brands View All back
    Get more Dennis Kirk
    back
    Click to read the Dennis Kirk blog
    Shop by Discount back

    Cometic Extreme Sealing Technology (EST) Motor Only Gasket Set for Models w/4.00 in. Bore Complete S&S Motor Kit w/S&S Rocker Boxes - C9940

    Extreme Sealing Technology (EST) Motor Only Gasket Set for Models w/4.00 in. Bore Complete S&S Motor Kit w/S&S Rocker Boxes
    1 / 1
    Submit a photo
    Submit a photo

    Cometic Extreme Sealing Technology (EST) Motor Only Gasket Set for Models w/4.00 in. Bore Complete S&S Motor Kit w/S&S Rocker Boxes - C9940

    Make sure this fits your ride
    Select
    a Ride
    Item is no longer available
    FAST and EASY Returns Low Price Guarantee
    (0) Options available
    Returns not accepted on open box items
    Cometic Extreme Sealing Technology (EST) Motor Only Gasket Set for Models w/4.00 in. Bore Complete S&S Motor Kit w/S&S Rocker Boxes
    • 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
    • Contains all necessary gaskets for application

    NOTE: For Big Twin 92-99 with 4.00 in. bore complete S&S motor kit with S&S rocker boxes

    Included Items:
    (2) Base gaskets
    (8) Engine case gaskets
    (2) Race style exhaust gaskets
    (2) Head gaskets
    (2) Manifold to head seals
    (2) Outer rocker gaskets
    (18) Assorted o-rings
    (4) Silicone seals
    (1) Pump body oil seal
    (1) Cam cover oil seal
    (1) Sprocket shaft oil seal
    (7) Cover/Overflow seals
    (2) Starter motor shaft oil seals
    (1) Oil line seal
    (2) Umbrella valve rocker covers
    (4) Brown viton o-rings
    (4) Valve stem seals
    (8) Vulcanized washers
    (8) Copper washers
    (2) Rocker box gaskets
    (2) Engine case washers
    (2) Oil pump/pan gaskets
    (1) Carb seal o-ring
    (2) Engine case gaskets
    (1) Intake reed gaskets
    Specifications
    Mfg #: C9940
    Part #: 263477
    Type Full Engine Gasket Kit
    Type Motor Gasket
    Units Set
    Weight 1.68 lbs
    Vendor Part Number(s):
    09340810
    Alternate/OEM Part Number(s):
    09340810
    WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Resources & Manuals
    Instruction Manual 456.4 KiB
    Fitment for Cometic Extreme Sealing Technology (EST) Motor Only Gasket Set for Models w/4.00 in. Bore Complete S&S Motor Kit w/S&S Rocker Boxes

    Part 263477 fits the following machines

    Harley-Davidson
    1995 1996 1997 1998
    1992
    1992
    1993 1994 1995 1996 1997 1998
    1994
    1995 1996 1997 1998
    1993 1994 1995 1996 1997 1998
    1992 1993 1994 1995 1996 1997 1998
    1996 1997 1998
    1992 1993
    1995 1996 1997 1998
    1992 1993 1994 1995 1996 1997 1998
    1995 1996 1997 1998
    1999
    1999
    2000
    1992 1993 1994 1995 1996 1997 1998 1999
    1993
    1994 1995 1996
    1997 1998 1999
    1992 1993
    1992 1993
    1992 1993
    1992 1993
    1998
    1998
    1998
    1996 1997 1998
    1992 1993
    1992 1993 1994 1995 1996 1997 1998 1999
    1992 1993 1994 1995 1996 1997 1998 1999
    1999
    1992 1993 1994 1995 1996 1997 1998 1999
    1995 1996 1997
    1999
    1992 1993
    1992 1993 1994
    1992 1993 1994
    1992 1993 1994 1995
    1996
    Reviews & Questions