Kuryakyn Hardware B — Harley-Davidson

Kuryakyn breather bolts in chrome finish for Harley Twin Cam engines, sold as a matched pair to replace factory hardware with a polished custom look. These 1-1/4" bolts provide crankcase venting while cleaning up the engine appearance.

Features

• Chrome-plated finish resists corrosion
• Matched pair for symmetrical installation
• 1-1/4" length
• Functional crankcase venting

Specifications

• Brand: Kuryakyn
• Manufacturer Part #: 9975
• Length: 1-1/4 inches
• Quantity: 2 per set
• Weight: 0.1 lb
• Category: Engine Components / Hardware - Singles

Fitment

Fits Harley-Davidson Twin Cam engines.

Frequently Asked Questions

Do these fit my Twin Cam engine?

Yes — these are designed for all Harley Twin Cam models. Verify your engine has standard breather bolt mounting.

What's included?

A matched pair of chrome breather bolts — everything needed for both sides of the engine.

Will these fit my Milwaukee-Eight?

No — these are specifically for Twin Cam engines. Milwaukee-Eight models use different hardware.

Do I need any gaskets or seals?

Installation depends on your engine's existing venting setup. Consult your service manual or contact a Harley dealer if you're unsure about gasket replacement.

California Proposition 65 Warning

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