106ci Stroker Flywheel Assembly – 4-1/2in. Stroke. Fits Twin Cam Softail 2000-2006.

$3,002 $2,701.80

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SKU: SS320-0454 Categories: , ,
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Note:

This S&S 4-1/2in. stroke flywheel assembly when used with 3-7/8in. cylinders creats 106 cubic inch’s

1. Purchase S&S 3-7/8in. piston kit # SS92-1210 & bore your current cylinders

Features & Benefits:-

* 2003-2006 motors must be upgraded to the stronger Timken Crankcase Bearing & Sleeve # SS31-4013 & JM-956

* Heat-treated 4140 material is harder and 114% stronger than stock.

* Harder material, eliminates thrust washer.

* Larger 1.671in. diameter crankpin.

* Designed with increased cross-sectional area for increased crank-pin clamping force – No welding required.

* Integral mainshafts – Eliminates two potential points of weakness.

* Consistent balance & precision machining – Truer flywheels & less vibration.

* Reduced mainshaft deflection at high rpm – less vibration, reduced piston & rod side thrusting, prevents oil pump damage, fully compatible with gear drive cams.

* Capable of higher rpm – More available power!

* Trued to with in .0005in. TIR

* Rod Bearings have 20 rollers vs 18 stock

Proudly Made in the USA by S&S Cycle !

Additional Parts Required:-

* SS92-1210 – S&S 3-7/8in. Piston Kit

* CG-C9892 – Gasket Kit

Tech Tips:-

* Piston jets (SS31-2026) included

* Compression ratio w/OEM heads = 10.1:1

* Compression ratio w/S&S 89cc heads = 9.8:1

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