106″ Stock Bore Stroker Kit by S&S Cycle®. Vast improvement over stock flywheels, which shift out of true under heavy loads. Heat-treated 4140 material is 114% stronger than stock, eliminates thrust washer. Larger 1.671″ crankpin, increased cross-sectional area for increased crank-pin clamping force. No welding required. Integral mainshafts, truer flywheels and less vibration. Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require any special machining, other than fitting the pistons. S&S stroker pistons, which are sold separately. Stock 88″ cylinders can be bored from 33/4″ bore to 37/8″ to accommodate the S&S pistons, or a pre-fit S&S cylinder and piston kit may be installed. .
Engines with factory 95″ kits require piston fitting for the correct oversize only – stock or S&S cylinder heads can be used. Fuel injected engines will require recalibration of the fuel injection system – the S&S VFI modules and closed loop sensor kits are highly recommended. Since stock cylinders are used the engine height remains stock. This kit is designed to fit 2006 HD® Dyna® models only.
Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.
Notes:
- This kit requires special pistons which must be ordered separately
- The sprocket shaft of this flywheel assembly comes with the bearing race for stock 2003-up left main bearing pre-installed
Specifications:
| Stroke: 4-1/2″ |
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