Old Stf Rocker Box Split Oil Line - Stainless/Black - Harley Shovelhead
About Old Stf
Old Stf parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Old Stf item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Address common oil starvation issues on your Shovelhead engine with the Old Stf Rocker Box Split Oil Line. This pre-bent stainless steel and brass line kit is engineered to deliver consistent oil flow, particularly to the front cylinder head, preventing problems often seen with stock setups. All necessary fittings are installed, making for a cleaner, more efficient oiling solution.
Why riders pick this
- Heavy 1/4-inch lines for improved oil flow
- Pre-bent stainless steel and brass construction
- Eliminates front head oil starvation
- All compression fittings installed
- Made in the USA
The Old Stf Rocker Box Split Oil Line is a vital upgrade for any Shovelhead owner looking to optimize their engine's lubrication. Designed to replace restrictive factory lines, this kit features heavy 1/4-inch brass and stainless steel construction, ensuring a robust oil supply to critical top-end components. By improving oil flow, it helps mitigate front head oil starvation, a notorious issue that can lead to premature wear and performance degradation on vintage big twins.
Engineered for Critical Flow
- Heavy 1/4-inch brass and stainless steel oil lines for superior flow
- Pre-bent design with all compression fittings installed for easy setup
- Eliminates front head oil starvation common on Shovelhead engines
- Polished finish on all fittings for a clean look
- Versatile installation with loop-up or loop-down routing options
- Includes a stainless Allen plug for flush-mounting the rear rocker
Reliable Lubrication for Your Vintage V-Twin
Maintaining proper oil pressure and flow is paramount for the longevity of your Shovelhead engine. This Old Stf oil line kit provides a significant improvement over stock, ensuring that your engine's front cylinder head receives adequate lubrication, especially under demanding conditions. The precision of the pre-bent lines and included fittings simplifies installation, allowing you to get back on the road with confidence in your engine's health.
Specifications
- Brand: Old Stf
- Manufacturer Part #: STFS66BK
- Length: 12 in
- Width: 11 in
- Height: 1 in
- Material: Stainless steel and brass
Common questions
Will this oil line improve oil pressure to the front head on my Shovelhead?
Yes, this kit is specifically designed with heavier 1/4-inch lines and optimized routing to address and cure the common front head oil starvation problem on Shovelhead engines, leading to improved lubrication.
Does this require any special tools for installation?
The lines come pre-bent with all compression fittings installed. While basic hand tools will be needed, the design simplifies the installation process for most riders.
Is this product made in the USA?
Yes, the Old Stf Rocker Box Split Oil Line is proudly made in the USA.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Old Stf |
| TYPE | Cable/Hydraulic Control Lines |
| SKU | 880-2109 |
