Kuryakyn Hardware B — Harley-Davidson

Kuryakyn Hardware B chrome breather bolts for Harley Big Twin and Sportster engines, engineered to maintain proper oil breather function and ventilation. These 1/2-inch-13 bolts replace worn OEM hardware with a durable chrome finish.

Features

• Chrome finish
• 1/2 inch-13 thread size
• Sold in pairs
• Compatible with Big Twin and Sportster models 1993–2003

Specifications

• Brand: Kuryakyn
• Manufacturer Part #: 9927
• Thread Size: 1/2 inch-13
• Finish: Chrome
• Quantity: Pair
• Weight: 0.14 lb
• Category: Engine Components / Hardware - Singles
• WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov

Fitment

Fits Harley-Davidson Big Twin and Sportster models from 1993 to 2003, including Twin Cam engines.

Frequently Asked Questions

What thread size are these bolts?

1/2 inch-13. Verify your breather port threads before ordering.

How many bolts are in a set?

Sold as a pair — two bolts per order.

Will these fit my 2004+ Harley?

No — this part is specific to 1993-2003 Big Twin and Sportster models. Newer bikes use different hardware.

Do I need any special tools to install them?

Standard wrench or socket (3/4 inch) is required. Installation is straightforward on the breather port.

California Proposition 65 Warning

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