S&S Cycle 106" Big Bore Engine Pistons Cylinders Kit Harley Softail Dyna Touring

BRAND NEW PART# 910-0206 FITS: 2007–2017 HARLEY SOFTAIL, 2006-2017 DYNA AND 2007-2016 TOURING    S&S 106'' Big Bore Kit FEATURES & BENEFITS Largest bore we feel can safely be used in a cylinder with a stock spigot O.D. Bolt-on 9 to 10 cubic inches—cylinders do not require crankcase machining to install Piston weight for 97" & 106" kits are the same as stock, requiring no flywheel rebalancing Forged coated pistons are compatible with stock or S&S Super Stock® 89cc heads Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams Black wrinkle powdercoat cylinder finish color matches stock Harley-Davidson® finish KIT CONTENTS Piston set with rings Top end gasket kit S&S cylinders Instructions Cylinder with piston kits include fitted pistons and cylinders that require no boring or honing S&S® 106" BIG BORE KITS Bore      3.927" Stroke   4-3/8" Displacement    106" Compression Ratio / Stock Heads - 10.0:1 / 89cc S&S Heads - 9