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.


Features & Benefits

winter power pack dyno NOTES/FAQs 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

Compression Ratio
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