4-3/8in. Stroke Flywheel Assembly with Timken Bearing Upgrade. Fits Twin Cam Softail 2007-2017.

$3,036.00

23912-07A,24100022A,SS320-0358,DAY-80041,CAR-PSR6161

3 in stock (can be backordered)

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High-performance motorcycle crankshaft with connecting rods for custom rebuilds.
4-3/8in. Stroke Flywheel Assembly with Timken Bearing Upgrade. Fits Twin Cam Softail 2007-2017.
$3,036.00
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What is 7+4?

Features & Benefits:-

* Without Sprocket Shaft Race for use with the Timken Bearing Upgrade.

* Replaces the Stock Crankshaft in 96ci,103ci & 110ci Engines.

* OEM style Tapered Wristpin Ends allow use of OEM Pistons.

* 7.659″ length Connecting Rods.

* Heat-treated 4140 material is harder & stronger than stock.

* Harder material eliminates the need for Thrust Washers.

* Larger diameter Crankpin provides increased Crank-Pin clamping force.

* Integral Mainshafts, Eliminates two potential weak points.

* Consistent balance & precision machining.

* Truer Flywheels & Less Vibration.

* Reduced Mainshaft deflection at high rpm means Less Vibration, reduced piston & rod side thrusting &events oil pump damage.

* Fully compatible with Gear Drive Cams.

* Capable of higher rpm giving More available power.

* Trued to within .0005″ Run-Out.

* Rod Bearings have 20 Rollers vs 18 Stock.

Proudly Made in the USA by S&S Cycle !

* Upgrades OEM # 23912-07 & 24100022

MFR PART No: 320-0359
REVELRY PART No: SS320-0359

Additional information

Weight 17.8 kg
Dimensions 38 × 31 × 28 cm