106ci Stroker Flywheel Assembly – 4-1/2in. Stroke. Takes 2000-2006 88ci Twin Cam Softail to 106ci with 3-7/8in. bore.

$2,440.00 RRP (inc GST)

In Stock
MFR PART No: 320-0454


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Purchasing Information:
After you place your order on this site, we will contact you to confirm your order details prior to payment being made. All orders will be processed and fulfilled by one of our authorised dealers. Rollies Speed Shop Distribution is a wholesale business and does not sell directly to the general public. For more info see the Purchasing Information page.

Product Details


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. cylinder & piston kit.

Silver SS910-0199

Features & Benefits:-

* Also Fits Softail 2000-2006

* 2003-2006 motors can be upgraded to the stronger Timken Crankcase Bearing.

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

* Harder material, eliminates thrust washer.

* Larger 1.671in. dia meter 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 ava ilable power!

* Trued to with in .0005in. TIR

* Rod Bearings have 20 rollers vs 18 stock

Proudly Made in the USA by S&S Cycle !

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

* For additional compression use .030in. MLS head gaskets- part #SS900-0605

MFR PART No: 320-0454

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