- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Transmission & Drive Train /
- Flywheel /
- S&S Cycle 320-0403 Flywheel Assembly - 4in. S...
0 ratings
Item #:
222196150
S&S Cycle 320-0403 Flywheel Assembly - 4in. Stroke
Item #:
222196150
USD 1529
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671in. crankpin.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Enhanced Durability
Constructed from high-quality materials, the 320-0403 flywheel assembly resists wear and tear, ensuring long-term performance and reliability for high-stroke applications in custom builds or repairs.
Precision Engineering
Designed with exact specifications, this flywheel assembly provides optimal balance and efficiency, enhancing engine performance while minimizing vibration for a smoother riding experience.
Easy Installation
The user-friendly design of the S&S flywheel assembly allows for quick and hassle-free installation, making it a perfect choice for both novice and experienced mechanics looking to upgrade their engines.
Product Details
Who Should Buy?
-
Performance Enthusiasts
Ideal for riders seeking enhanced engine performance and efficiency through a high-quality flywheel upgrade.
-
Custom Builders
Perfect for custom motorcycle builders needing reliable and durable components to enhance their unique builds.
-
Motorcycle Racers
Designed for racers looking to improve balance and power delivery, enhancing their competitive edge on the track.
-
Casual Riders
Not suitable for casual motorcycle users who do not need performance upgrades and prefer stock components.
Product Description
S&S Cycle 320-0403 Flywheel Assembly - 4in. Stroke
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the compatible motor models for these flywheel assemblies?
Answer: They fit various H-D models from 1999 to 2002, including Road King, Electra Glide, and Dyna series. -
Question:
Do I need to modify my crankcase to install these flywheels?
Answer: No, they fit directly into stock crankcases without any modifications. -
Question:
Can these flywheels be used on newer models?
Answer: Yes, 4in. stroke flywheels can be adapted for 03-06 motors with a Timken-style bearing conversion.
S&S Cycle Flywheel Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
USD 1529
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Made from durable 4140 steel for optimal strength.
- Features a larger 1.671in. crankpin for increased efficiency.
- Designed to fit stock crankcases with no modifications required.
- Compatible with 88in., 95in., and 100in. Twin Cam A and B motors.
- 4in. stroke flywheels can be retrofitted to 03-06 motors.
- Proudly made in the U.S.A., ensuring quality craftsmanship.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.