Old Stf Rocker Box Split Oil Line - Stainless/Black Rocker BOX Split OIL Line

Old Stf rocker box split oil line for Shovelhead V-twin engines, pre-bent stainless steel and brass construction with all fittings installed. Eliminates front head oil starvation with heavy 1/4-inch lines and solves common low oil pressure issues on vintage big twins.

Features

• Heavy 1/4" brass and stainless steel oil lines
• Pre-bent with all compression fittings installed
• Polished finish on all fittings
• Install loop up or down for routing flexibility
• Stainless Allen plug flush-mounts rear rocker
• Made in the USA

Specifications

• Brand: Old Stf
• Manufacturer Part #: STFS66BK
• Length: 12 in
• Width: 11 in
• Height: 1 in
• Material: Stainless steel and brass

Fitment

Fits Shovelhead engines 1966–1984. Designed for V-twin motorcycles that experience front head oil starvation with stock rocker box lines.

Frequently Asked Questions

Will this eliminate front head starvation on my Shovelhead?

Yes — the heavier 1/4-inch lines and optimized routing are engineered to cure the starving front head problem common on stock setups.

Do I need to retorque any fittings after installation?

All compression fittings are pre-tightened from the factory. Thread sealant is included for NPT-to-case and rocker connections.

Can I install the loop up or down?

Yes — the kit allows flexibility in routing so you can orient the loop to fit your frame and cable layout.

What's included in the box?

Pre-bent stainless and brass lines, all compression fittings, a stainless Allen plug for the rear rocker, and thread sealant for NPT connections.

Is this made in the USA?

Yes — Old Stf manufactures these rocker box lines domestically.