S&S Cycle Primary Chain

Upgrade the reliability and strength of your primary drive with the S&S Cycle Heavy-Duty Primary Chain—engineered to handle the demands of high-torque Harley-Davidson engines and aggressive riding.

Manufactured by S&S Cycle, this premium primary chain is designed for riders who demand smooth power transfer, long service life, and proven durability. Whether you’re running a stock motor or a high-output performance build, this chain delivers confidence where it matters most.

🏁 Key Features & Benefits

• Heavy-duty construction for high-torque V-Twin applications

• Designed to reduce stretch and maintain consistent chain tension

• Smooth, efficient power transfer from crankshaft to clutch

• Built to withstand aggressive riding and elevated engine output

• Ideal replacement or upgrade over OEM primary chains

• Precision-manufactured for reliable fit and long service life

🔧 Why Upgrade Your Primary Chain?

The primary chain plays a critical role in delivering power from your engine to the transmission. Worn or weak chains can cause:

• Excessive noise

• Inconsistent clutch engagement

• Increased wear on primary components

The S&S Cycle Primary Chain is engineered to handle more load with less stretch, helping protect your clutch, compensator, and primary drive components.

🛠 Applications

• Harley-Davidson Big Twin models

• Stock and performance engine builds

• Ideal for street, performance, and aggressive riding setups

(Always verify correct fitment for your specific model and year.)

If you don’t see your model listed, contact us — we’re happy to help.

2007–2025 Touring Models

Fits the following Touring models:

• Street Glide

  • FLHX (2007–2025)

  • FLHXU Street Glide Ultra (2025)

  • FLHXS Street Glide Special (2014–2023)

  • FLHXST Street Glide ST (2022–2023)

  • FLHXSE / CVO Street Glide (2010, 2015–2022, 2024–2025)

• Road Glide

  • FLTR / FLTRX Road Glide (2007–2016, 2019–2025)

  • FLTRXS Road Glide Special (2015–2023)

  • FLTRXST Road Glide ST (2022–2023)

  • FLTRU Road Glide Ultra (2011–2013, 2016–2019)

  • FLTRUSE / CVO Road Glide Ultra (2011, 2015–2016)

  • FLTRK Road Glide Limited (2020–2024)

  • FLTRKSE CVO Road Glide Limited (2022)

  • FLTRXP Road Glide Police (2025)

• Road King

  • FLHR Road King (2007–2022)

  • FLHRC Road King Classic (2007–2013)

  • FLHRXS Road King Special (2017–2025)

  • FLHP Road King Police (2007, 2009–2025)

• Electra Glide / Ultra

  • FLHT / Electra Glide Standard (2007–2009, 2019–2022)

  • FLHTC Electra Glide Classic (2007–2013)

  • FLHTCU Ultra Classic (2007–2019)

  • FLHTK / Ultra Limited (2010–2024)

  • FLHTKL Ultra Limited Low (2015–2019)

  • FLHTCUL Ultra Classic Low (2014–2016)

  • FLHTP / FLHTPI Electra Glide Police (2007–2025)

• Special / Revival Models

  • Hydra-Glide Revival (2024)

  • Electra Glide Revival (2021)

  • Electra Glide Highway King (2023)

2007–2025 Softail & 2006–2017 Dyna Models

Softail

• Breakout (FXBR / FXBRS / FXSB / CVO) – 2013–2025

• Fat Boy (FLSTF / FLFB / FLFBS / CVO) – 2007–2025

• Heritage Classic (FLSTC / FLHC / FLHCS) – 2007–2024

• Street Bob (FXBB / FXBBS) – 2018–2024

• Low Rider / Low Rider S / ST (FXDL / FXLR / FXLRS / FXLRST) – 2014–2025

• Softail Slim (FLS / FLSL / FLSS) – 2012–2017

• Softail Standard (FXST) – 2007–2024

• Night Train (FXSTB) – 2007–2009

• Sport Glide (FLSB) – 2018–2024

• Rocker / Cross Bones – 2008–2011

• Springer Softail / Heritage Springer – Various years

Dyna

• Street Bob (FXDB) – 2006–2017

• Low Rider (FXDL / Fxdli / FXDLS) – 2006–2017

• Super Glide (FXD / FXDC / FXDI / FXDCI) – 2006–2017

• Wide Glide (FXDWG / FXDWGI) – 2006–2017

• Fat Bob (FXDF / CVO) – 2008–2017

1980–2006 Touring & FXR Models

Fits classic Touring and FXR platforms including:

• Electra Glide / Ultra Classic / Police (FLHT / FLHTC / FLHTCU / FLHTP)

• Road King / Road King Classic / CVO

• Road Glide (FLTR / FLTRI)

• Tour Glide (FLTC / FLTCU)

• FXR / FXRS / FXRT / FXRD / FXRP models

• Screamin’ Eagle & CVO Touring variants (1980–2006)

(Extensive coverage across FL, FLH, FXR, and police models from 1980–2006)

1984–2006 Softail Models

Fits early and Evo-era Softail platforms including:

• Fat Boy (FLSTF / FLSTFI / CVO)

• Heritage Softail / Heritage Classic

• Night Train

• Softail Standard

• Springer Softail / Heritage Springer

• Softail Deuce / CVO Deuce

• Softail Deluxe / Nostalgia models

Built by a Trusted Performance Brand

S&S Cycle has been designing and manufacturing high-performance Harley components for decades. This primary chain reflects that same commitment to quality, strength, and reliability.

FAQ

Q: Is this primary chain stronger than OEM?
A: Yes. S&S Cycle primary chains are designed to handle higher torque and reduce stretch compared to standard OEM chains.

Q: Is this good for performance or big-inch motors?
A: Absolutely. This chain is ideal for performance builds and aggressive riding conditions.

Q: Should I replace my primary chain during a rebuild?
A: Yes. Replacing the primary chain during clutch or primary service helps ensure reliability and prevents premature wear.

👉 More driveline items HERE

🎥 Video Content & Install Help

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• Installation walkthroughs

• Product highlights

• Tech tips and feature breakdowns