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

Note:

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

1. Purchase S&S 3-7/8″ 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 1.671″ 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.0005″ 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 3-7/8″ 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