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S&S Cycle 99-06 BT 4-5/8in Stroke Flywheel Assembly W/O Sprocket Shaft Bearing

SKU: SSC320-0552

SSC Flywheels...

S&S Cycle 99-06 BT 4-5/8in Stroke Flywheel Assembly W/O Sprocket Shaft Bearing

SKU: SSC320-0552

SSC Flywheels...

Sale ends in Calculating...

A$3,483.22 A$4,073.04
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® T143 engines for 1999-'06 HD® big twins. Sprocket shaft does not have a stock style bearing race pressed on. This flywheel assembly is for crankcases with Timken® sprocket shaft bearing. Pinion shaft has sprocket to drive balancer chain.

Data: v4.2 - Upd: 2026-10-15 00:14:07

Features

  • Assembly is trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
  • Flywheel assembly is three piece design
  • Flywheels are CNC machined from heat-treated, closed die, steel forgings, which are 114 percent stronger than late style stock steel flywheels
  • Fully assembled with premium quaility S&S® heavy duty 7.800" connecting rods, with full width wrist pin ends, and dynamically balanced
  • Pinion and sprocket shafts are forged as part of the flywheel
  • The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels

Specifications

Reference Information

Brand Name/s S&s Cycle
StreetFX SKU ssc320-0552
SFX Item ID 4231322
Supplier Item Code 4231322
Manufacturer SKU 320-0552
Manufacturer UPC N/A
Alternative References 4-5/8in

Compatibility

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