S&S Cycle 00-06 BT 4-3/8in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft does not have a stock style bearing race pressed on.
- 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
- 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 7.667" connecting rods, with full width wrist pin ends, and dynamically balanced
- The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels
- This flywheel assembly is for crankcases with Timken® sprocket shaft bearing
- Pinion and sprocket shafts are forged as part of the flywheel
- Pinion shaft has sprocket to drive balancer chain
- Flywheel assembly is three piece design
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Harley-Davidson | FLST Heritage Softail | Base |
| 2000-2004,2006 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2000-2004,2006 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2006 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 2000-2003 | Harley-Davidson | FLSTS Heritage Springer | Base |
| 2000-2004,2006 | Harley-Davidson | FXST Softail Standard | Base |
| 2000-2004,2006 | Harley-Davidson | FXSTB Night Train | Base |
| 2001-2004,2006 | Harley-Davidson | FXSTBI Night Train | Base |
| 2000-2004,2006 | Harley-Davidson | FXSTD Softail Deuce | Base |
| 2000-2004,2006 | Harley-Davidson | FXSTS Springer Softail | Base |
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.