Welcome to Powersport Superstore. Since 2007 your first choice for Motorcycle, ATV, UTV, Jeep, Truck, Snowmobile and Personal Watercraft Parts, Accessories, and Apparel.

Sign up to be an Insider. As a member, you’ll unlock cash rewards, early access to new product drops, industry news, exclusive content, and special offers reserved for our inner circle. No public promos. No spam. Just perks for the people who live and breathe the ride. *Some restrictions apply.

S&S Cycle 320-0605 M-Eight Flywheel Assemblies - Full Wrist Pin - 4-5/8in. Stroke

SKU: 7204037

S&S Cycle 320-0605 M-Eight Flywheel Assemblies - Full Wrist Pin - 4-5/8in. Stroke

S&S Cycle
$1,824.90
$1,824.90 $1,999.95
Sale Sold out
/
Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Consistent balance and precision machining. Heat-treated 4140 material is harder and 114% stronger than stock. S&S high-strength connecting rods are perfect for use with gear drive cams. Available with either full width or tapered wristpin connecting rods. Choose from 4-3/8in, 4-1/2in or 4-5/8in stroke, with or without balancer gear. No welding required.

Vehicle Fitment:

2018-2020 Harley Davidson FLDE Deluxe 107
2018-2019 Harley Davidson FLFB Fat Boy 107
2018-2021 Harley Davidson FLHC Heritage Classic 107
2017-2022 Harley Davidson FLHR Road King
2017-2018 Harley Davidson FLHRXS Road King Special
2019-2022 Harley Davidson FLHT Electra Glide Standard
2017-2019 Harley Davidson FLHTCU Electra Glide Ultra Classic
2017-2018 Harley Davidson FLHTCUTG Tri Glide Ultra
2017-2018 Harley Davidson FLHTK Ultra Limited
2017-2018 Harley Davidson FLHTKL Ultra Limited Low
2017-2023 Harley Davidson FLHX Street Glide
2017-2018 Harley Davidson FLHXS Street Glide Special
2017-2018 Harley Davidson FLRT Freewheeler
2018-2021 Harley Davidson FLSB Sport Glide 107
2018-2021 Harley Davidson FLSL Softail Slim 107
2017-2018 Harley Davidson FLTRU Road Glide Ultra
2017-2023 Harley Davidson FLTRX Road Glide
2017-2018 Harley Davidson FLTRXS Road Glide Special
2018-2020 Harley Davidson FXBB Street Bob 107
2018-2019 Harley Davidson FXBR Breakout 107
2018-2019 Harley Davidson FXFB Fat Bob 107
2018-2020 Harley Davidson FXLR Low Rider 107
2020-2023 Harley Davidson FXST Softail Standard 107
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle