Complete 110" Big Bore and Cam Chest Kits! 

Upgrade to the biggest bolt-in performance kit S&S makes for 1999-2017 Harley-Davidson® big twins (except 2006 Dyna® models and 2017 touring models). Get everything you need in one package. Contains an S&S 4” big bore cylinder kit S&S 585 cams, S&S Quickee Pushrods, and S&S Premium Hydraulic tappets to make the most of the added displacement. In addition, there’s an S&S TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity.


99-04 Twin Cams will require the additional purchase of valve springs pn 900-0593
Pinion shaft runout must be less that .003" to use gear drive cams.
Kit not available to fit 06 HD® Dyna® models but parts may be purchased separately.


S&S 110" and 100" Big Bore Kits


Year Stroke Bore Cylinder Length Piston Type Dome Volume 83cc CNC Heads 85cc Stock Heads 89cc S&S Heads
1999-2006 4.00" 4.00" 4.937" Forged 8.75 pop up 10.8:1 10.5:1 10.1:1
2007-2017 4 3/8"  4.00" 4.937" Forged .75 pop up 10.7:1 10.5:1 10.2:1

S&S Cycle 100/110" Power Package


    • NEW Low friction Ductile Iron liners
    • 4" Bore bolt on cylinder and piston kit
    • 10.5:1 Compression
    • Silver or Black Available
    • S&S 585 Easy Start Cams in either gear or chain version
    • TC3 Oil Pump
    • TC3 Cam Plate
    • S&S cam chain tensioners or outer cam drive gears depending on selection Quickee Adjustable Pushrods with Tubes
    • S&S Premium Tappets

    • 4" Bore bolt on cylinder and piston kit uses a New Low Friction Ductile Cast Iron liner to improve thermal conductivity and improve performance.
    • Largest big bore kit available without crankcase mods
    • Increase displacement to 100” (1999-’06) or 110” (2007-’17)
    • Cylinders fit to pistons- No machining required
    • All parts required to upgrade to gear drive cam or hydraulic tensioners in one easy to order part number
    • Engineered package to deliver the best bolt in performance
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