Old Stf Brass Rocker Box Oil Line - Split OIL Line

Old Stf brass rocker box oil line for V-twin motorcycles, a split oil line kit with pre-bent 1/4" brass tubing and all necessary fittings included. Designed to eliminate front cylinder starvation on Ironhead Sportsters and Shovelheads with easy installation and fully polished components.

Features

• Pre-bent 1/4" brass oil lines with all fittings
• Polished brass construction
• Compression fittings pre-tightened
• Thread sealant and stainless steel Allen plug included
• Made in the USA
• Install horizontally or vertically

Specifications

• Brand: Old Stf
• Manufacturer Part #: STFB66
• Material: Brass
• Line Diameter: 1/4 inch
• Length: 11 in
• Width: 7 in
• Height: 1 in
• Weight: 0.505 lbs
• Country of Origin: USA

Fitment

Fits Harley-Davidson Ironhead Sportster and Shovelhead (1966-1984) models with V-twin engines.

Frequently Asked Questions

What problem does this kit solve?

It eliminates front cylinder oil starvation by providing proper rocker box feed through pre-bent brass lines with optimized routing.

Do I need any tools or additional parts to install?

No — all fittings are pre-tightened, and thread sealant plus a stainless steel flush Allen plug are included for a complete installation.

Can I install these lines horizontally or vertically?

Yes — the kit is designed to install either loop up or loop down depending on your bike's configuration and preference.

Are these lines street-legal?

Yes — Old Stf brass oil lines meet standard motorcycle specifications and are suitable for street use.