OLD STF SKU: 880-2111

Old Stf Brass Rocker Box Oil Line - Harley Ironhead & Shovelhead

$72.95
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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.

Keep your vintage V-twin running strong with the Old Stf brass rocker box oil line. This American-made line addresses a critical oiling issue for Ironhead Sportster and Shovelhead engines, ensuring your front cylinder gets the lubrication it needs.

Why riders pick this

  • Eliminates front head oil starvation on Ironhead and Shovelhead
  • Pre-bent 1/4" brass line for precise routing
  • All necessary compression fittings included
  • Includes thread sealant and stainless steel allen plug
  • Made in the USA for quality assurance

This Old Stf brass rocker box oil line is engineered to solve a common problem on classic Harley-Davidson Ironhead Sportster and Shovelhead V-twin engines: front head oil starvation. Manufactured in the USA, this pre-bent 1/4" brass line replaces your stock setup, providing a more consistent oil supply to the critical valvetrain components.

Engineered for Reliability

  • Pre-bent 1/4" brass construction for precise fitment
  • All compression fittings pre-tightened and polished for a secure seal
  • Includes thread sealant and a stainless steel allen plug for a complete installation
  • Designed to eliminate front head oil starvation in Ironhead and Shovelhead engines

Upgrade Your Oiling System

Installing this Old Stf oil line is a straightforward upgrade that can significantly extend the life of your engine. Whether you're doing a full rebuild or just looking to improve your bike's reliability, this brass line offers peace of mind. It's a vital component for anyone serious about maintaining their vintage Harley-Davidson.

Specifications

  • Brand: Old Stf
  • Manufacturer Part #: STFB57
  • Material: Brass
  • Line Diameter: 1/4 inch
  • Length: 11 in
  • Width: 6 in
  • Height: 1 in
  • Weight: 0.41 lbs
  • Country of Origin: USA

Common questions

Will this oil line improve my engine's oil pressure?

This kit is specifically designed to eliminate front head oil starvation, ensuring adequate oil flow to the front rocker box on Ironhead and Shovelhead engines, which can improve overall lubrication in that area.

Is this a complete kit for installation?

Yes, the kit includes the pre-bent brass oil lines, all necessary compression fittings (pre-tightened and polished), thread sealant, and a stainless steel allen plug for a complete installation.

Does this require any special tools for installation?

Installation typically requires basic hand tools. The fittings are pre-tightened, but you'll need wrenches for final adjustments and to secure the allen plug.

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.
BRANDOld Stf
TYPEEngine
SKU880-2111
WEIGHT0.41 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.88
26 RATINGS
5★ 24
4★ 1
3★ 1
2★ 0
1★ 0
✓ VERIFIED
Sep 7, 2023

Works well

Front cylinder appreciates the oil

— ZACH B
✓ VERIFIED
May 1, 2023

Should have used this 20 years ago.

Only took about a hour to install. Had to bend the feed to rear head a little because of carb,push pull bracket .Looks great and no leaks.

— Donald J
✓ VERIFIED
May 16, 2022

Fast delivery and just what I ordered

— Anonymous
✓ VERIFIED
Jan 11, 2022

It looks great and was delivered fast

— Anonymous
✓ VERIFIED
Sep 29, 2020

Fits great looks bloody schmick.

— Anonymous
✓ VERIFIED
Mar 31, 2020

4 Stars

— Anonymous