Twisted Choppers Copper Hard Oil Line Kit for Custom Motorcycles

Part #:TC-276
1 review|2 answered questions

$189.95

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Copper hard oil line kit: tubing, brass fittings, a tubing bender and a cutter, with no flaring required. Compatible with Harley-Davidson and custom motorcycles whose oil ports are threaded 1/8-27 NPT.

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  • Sales tax0% outside SD
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(605) 498-0105 M–F | 9:00–4:30 CST90-Day ReturnsExpedited & international shippingBuilt in Sioux Falls, SD USA

Twisted Choppers Copper Hard Oil Line Kit for Custom Motorcycles

Hard oil lines give a custom build a clean, mechanical look. This kit is for the builder who wants to make those lines by hand: The tubing is cut to length, bent to shape and joined at each port, one line at a time, so the oil plumbing follows the path you lay out and looks as deliberate as the rest of the bike.

Key Features

  • Tubing bender and close-quarters tubing cutter are included, so the tubing is cut and bent without buying either tool separately
  • Vibra-Lok fittings seal with a rubber band around the tube, so no flaring is required
  • Fittings are made for high-vibration use, where metal-on-metal compression fittings commonly leak

Technical Specifications

Tubing
3/8 inch OD copper, 10 feet
Straight Fittings
6 Vibra-Lok, brass, 1/8-27 NPT
90-Degree Fittings
6 adapter fittings, brass, 1/8-27 NPT
Made In
USA

Fitment Notes

  • Compatible with Harley-Davidson and custom motorcycles that use 1/8-27 NPT oil line ports.
  • The fittings do not fit metric or other non-NPT threads.
  • Additional tubing and fittings are sold separately for longer runs.
  • Check the port thread on your oil tank and engine against the size in the Fitment tab before ordering.
  • This aftermarket part is not manufactured, sponsored, or endorsed by the motorcycle manufacturer.

Compatible Interfaces

This kit is chosen by connection size, not by motorcycle model; check both sizes below against your build.

ConnectionSize
Oil line port thread1/8-27 NPT
Tubing3/8 inch OD
Weight 3.6 lbs
Dimensions 12 × 12 × 4 in

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  1. Karl G. –

    Great product and I’m very happy

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Q & A

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Twisted Choppers Copper Hard Oil Line Kit for Custom Motorcycles Twisted Choppers Copper Hard Oil Line Kit for Custom Motorcycles
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Do you have to flare the oil lines before assembling? Gary rzeszutko asked on September 28, 2024

No, these do not require flaring. The form a leak free seal with a rubber band.

Twisted Choppers answered on September 30, 2024 store manager
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These are the correct fittings for the oillines on a 1983 ironhead ? D asked on June 12, 2024

This should be the right size but I suggest you check to see if it uses 1/8-27 NPT fittings.

Twisted Choppers answered on June 12, 2024 store manager
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