Kuryakyn Breather Kits — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)

Kuryakyn Breather Kit with formed breather hoses designed to replicate OEM fit and function for Harley Twin Cam engines, 1999-2017. Direct replacement for stock hoses that route crankcase gases; sold in pairs.

Features

• Direct OEM-style formed hoses
• Twin Cam 1999-2017 models
• Durable materials for long service life
• Sold in pairs
• Easy installation

Specifications

• Brand: Kuryakyn
• Manufacturer Part #: 9977
• Quantity: Pair
• Weight: 0.05 lb
• Category: Engine Components / PCV Valves
• WARNING: Cancer and Reproductive Harm — California Prop 65

Fitment

Fits Harley-Davidson Twin Cam engines, 1999-2017 model years. Not legal for street use on pollution-controlled vehicles; designed for custom and high-performance builds.

Frequently Asked Questions

What years of Twin Cam do these fit?

1999-2017 Harley Twin Cam models. Verify your engine year before ordering.

Are these street legal?

No — not legal for street use on pollution-controlled vehicles. These are for custom or high-performance off-road applications.

Do I get both hoses?

Yes — sold as a pair, so you have both breather hoses needed for Twin Cam installation.

Is installation difficult?

No — direct fit replacement that bolts in place of factory hoses with no modifications required.

California Proposition 65 Warning

WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov