This listing covers the HPS 4PCS 6061 Aluminum Round Straight Tubing 3-1/8″ (80mm) OD 3′ Length 16 Gauge, one of the parts our fitment desk checks most often.
Reinforcement ply count determines burst strength, which matters most on boosted applications. Replace both the upper and lower runs while the system is open.
If your build is unusual, tell us and we will confirm the hps 4pcs 6061 aluminum round straight against it.
The hps 4pcs 6061 aluminum round straight ships protected, because a damaged part helps nobody.
Drivers choose the hps 4pcs 6061 aluminum round straight here for honest specification detail and quick dispatch.
At a glance
- Material: Aluminum
- Category: Universal Tube
- Price: $339.03 with free shipping over $99
- Availability: in stock, dispatched from the USA
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
See also: Hoses & Fittings · HPS Blue 6061 Billet Aluminum Hose Joiner Union Connector (1″ reduced to 1-1/4″) 2″ Length · HPS Black 6061 Billet Aluminum Hose Joiner Union Connector (1″ reduced to 1-1/4″) 2″ Length · full catalog
We pack for the worst day the carrier can have, which keeps our damage rate low.
Background reading that is not trying to sell you anything: the fuel economy maintenance guidance.
Quick answers
What do you need to verify fitment?
We verify every doubtful order by hand. Give us the year, make, model and engine option and we will confirm compatibility in one reply.
What are the shipping times?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
How do returns work here?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
Is this checked before shipping?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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![HPS NPT Allen Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_11e3bb56-b4df-4954-84cd-0d354b2dd8ff-300x300.jpg)
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