SKU: 91900588987

Tork Teknology P7100 High Performance Overflow Valve 94-98 Dodge 5.9L Cummins

Sale price$40.50 Regular price$45.00
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Description

Tork Teknology P7100 High Performance Overflow Valve 94-98 Dodge 5.9L CumminsDo you experience low fuel pressure at wide open throttle after installing an aftermarket electric lift pump? Unfortunately, this is all too common, but we have the fix. The problem stems from the factory overflow valve having too large of an orifice, which causes excessive fuel to be returned to the fuel tank. The inlet orifice on a standard overflow valve will flow 1. 14 GPM back to the tank. If you are running a 100 GPH pump, you are pumping 1. 66

Do you experience low fuel pressure at wide open throttle after installing an aftermarket electric lift pump? Unfortunately, this is all too common, but we have the fix. The problem stems from the factory overflow valve having too large of an orifice, which causes excessive fuel to be returned to the fuel tank. The inlet orifice on a standard overflow valve will flow 1.14 GPM back to the tank. If you are running a 100 GPH pump, you are pumping 1.66 GPM, which means you are losing 69% of your pump volume through the stock overflow valve. Seeing these numbers makes it fairly obvious why there is a significant power loss at higher RPM.

We offer this simple and effective overflow valve in four different sizes, so which one is right for you?

The general rule to determine the fuel pressure you should be at is to multiply the governor spring RPM (in thousands) by 10. In other words, you want 10 PSI of fuel pressure per 1000 RPM of governor speed. So, if you installed a 3K governor spring kit, you need a minimum of 30 PSI at full power, a 4K kit requires 40 PSI at WOT, and 5K equates to 50 PSI at WOT.

  • The OFV040HP has the largest orifice for street use. This valve is for lightly modified street performance trucks in the 275 to 350 horsepower range running an AirDog or FASS pump. Fuel pressure will range between 30 to 37 PSI.
  • The OFV050HP has the second largest orifice for street use. This valve is for moderately modified street performance trucks in the 350 to 450 horsepower range using an AirDog or FASS pump. Fuel pressure is in the 37 to 45 PSI range, at full power.
  • The OFV060HP has the third smallest orifice for highly modified Cummins diesel engines. This valve is for heavily modified street performance trucks in the 500 to 600 horsepower range using an AirDog or FASS pump. Fuel pressure will be in the 43 to 50 PSI range, at full power.
  • The OFV075HP has the smallest orifice, and is NOT for street use, because it will not provide adequate long term cooling to the pump.

IMPORTANT NOTE: Do not use the HP valve on a stock fuel system! The valve is intended for P pump trucks using a FASS, Air Dog or high volume, performance fuel pump only.

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Exchange/Return Notes
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SKU: 91900588987

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Jenn T.
Birmingham, US
★★★★★ 4
Decent low-profile bra, but with caveats for larger chests
First, I had to return the bra three times because the size charts on the manufacturer's website are laughably wrong. By measurement, it had me at a DD. Lo and behold, I was an H. So ignore those size charts, and go off the standard US ones for bras. The band sizes are also near the US standard, but about one standard deviation too small. I'm normally a 36, but I had to buy a 38 in this. The website had me at a 34DD, which was absurd. You should have seen the look on my face when it came and I knew instantly it wouldn't fit. The 38H did, though. I'm typically a 36-38 or H/I/J in most brands. So the pros. This is a great bra if you want to get rid of lines. I have a lot of professional silk blouses, and I can't wear ANY lace underneath them or you can see it. This comes in a lot of neutral colors, too, which is great for those purposes. The shoulder straps are really chunky, which makes it hard to hide in tanks, but it's very comfortable in all other styles of tops. The back strap is quite firm for a bra in this price range, so that the majority of the support is from there, not the shoulder straps. The bra (once I got the right size) actually tacks in the middle, which is rare for me unless I spend over $50 on a bra. I'm also not getting unattractive areas of fat accumulation that happens when your bra doesn't fit and pushes breast tissue out of where it should be. This was important to me, because I want to eliminate lines, and nothing points out where your bra straps are like a small fat roll right under your bra band. The cons don't outweigh the pros, but you should be aware of them. First, the cups are very full-coverage. Anything past a moderate scoop neck will show the bra. I prefer a little less coverage so I can wear mandarin collars. Second, the cups don't have any support outside of the band, shoulder straps, and underwire. If you want your chest to sit high and tight, you're going to have to spend more. It certainly uplifts more than going without a bra, but for larger chests, you're still going to droop a bit more than a bra with firmer cups. This isn't a problem for me with looser and more professional blouses, but I don't like how it makes me look a bit "sloppier" in tighter shirts. For a bra that was $50+ dollars, the cons would make me not purchase it again. But I paid $26 for this, so the cons are quite reasonable for price point, given that I do have a large chest that makes bra shopping quite the chore. It fits the bill for the task of the type of shirts I needed it for. But if you're a full-chested person and want a bra that will work for nearly everything, you're going to need to look elsewhere and spend more.
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Reviewed in the United States on October 25, 2021
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Verified Purchase
Tom and kiki
Carnegie, US
★★★★★ 5
Finally a bra that fits!
Size: 38G, Color: Black
This is my first time wearing this bra, and right away I can tell it’s the best fit I’ve ever had. I wear a 38G, and the support is incredible without feeling tight or uncomfortable. The band sits snug (on the first set of hooks—yes!) and doesn’t dig into my skin. The cups give full coverage without spillage, and the lift is exactly what I needed. So far, I’m very happy with how it feels under clothes, and I actually feel supported and comfortable. I will update this review after two weeks of wear to let you know how it holds up.
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Reviewed in the United States on July 16, 2025
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Autumn
Boise, US
★★★★★ 3
Not durable
I love the initial fit and feel of this bra. Its very comfortable and silky. I was disappointed to discover the poor design which allows the underwire to poke through much too quickly. It happened on both of my bras from this company. I bought 2 hoping the first was just defective but the second had the same issue in the same area.
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Reviewed in the United States on November 8, 2023
J
Verified Purchase
JRB3
Battle Creek, US
★★★★★ 5
Great coverage for a chesty gal with smaller band size
Size: 34F, Color: Gentle Rose
I don’t know why I can find bras that fit better on Amazon than in store, but this one is a good one. It fits well and is as comfy as you can expect from an underwire. It has zero lining and that can be an issue, so pay attention to that if it is important to you for the nip coverage!
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Reviewed in the United States on July 18, 2025
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Verified Purchase
"chaos007"
San Leandro, US
★★★★★ 1
Did not last long
Size: 44E, Color: Black
I really like this bra very much, it was very comfortable and fit well, but the wire popped out of the fabric in less than a couple of months. Very frustrating.
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Reviewed in the United States on January 11, 2026

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