S&S Cycle® 910-0646 - Sidewinder Big Bore Kit

0 reviews|Item # mpn4638584042
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    Notes:
    • Although not mandatory, S&S recommend adding an oil cooler to bikes ridden in warmer climates
    • Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes
    • Not legal for sale or use in California on any pollution controlled motor vehicle
    • Not legal for sale or use on any epa pollution controlled motor vehicle
    • This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME
    Authorized Dealer
    $1,550.95
    In Stock (1) - Ships Tomorrow 06.10.26
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    Vehicle Fitment

    Harley Davidson

    Specifications

    Stroke
    4.0"
    BoreSize
    4.00"
    Cylinder Length
    4.937"
    Piston Type
    Forged
    Dome Volume
    8.75 pop up
    83cc CNC Heads
    10.8:1
    85cc Stock Heads
    10.5:1
    89cc S&S Heads
    10.1:1
    Finish
    Wrinkle Black

    Includes

    • Cylinders
    • Pistons
    • Gaskets
    • Instructions

    Features

    • Low friction Ductile Cast Iron liner
    • Bolts in. No machining, balancing, or splitting the crankcases
    • 88" engines are boosted to 100"

    Product Details

    Sidewinder Big Bore Kit (910-0646) by S&S Cycle®. Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.

    Brand:
    Part Number:
    910-0646
    Alternate MPN:
    9100646

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