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Description
Fleece Performance CP3K Injection Pump 01-10 6.6L GM DuramaxEliminate the factory fuel restriction above 3,000 RPM with this affordable upgrade from Fleece Performance for your Duramax! The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost effective upgrade will allow you
Eliminate the factory fuel restriction above 3,000 RPM with this affordable upgrade from Fleece Performance for your Duramax! The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost effective upgrade will allow you to maintain desired fuel rail pressure through your entire RPM range, and is also a great upgrade for a dual CP3 kit for increased displacement.IMPORTANT NOTES:
- Every Fleece Performance CP3 is tested on their in-house engine simulator and pump test stand to simulate real world situations and ensure that each pump is ready to work.
- Fleece builds their pumps from BRAND NEW CP3's, which means NO CORE CHARGE and NO USED PARTS!
- The fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 LB7 or LLY.
Q : What size injectors does the CP3K support?
A: Injector size should be based off of desired horsepower goals, truck uses, and tuning capabilities. Commanded main injection duration, or tuning, ultimately determines what size injector a CP3 will support. Our PowerFlo750 will support our 100hp injector at 2600uS with no issue, resulting in over 750RWHP if your turbo will support that. Some people have seen over 800rwhp with shorter duration's and larger injectors on FPE 68mm turbo's and larger.
Q : What is Main Injection Duration?
A: Main Injection Duration is the amount of time that the injector is turned on or energized. Measured in micro-seconds (uS) it is sometimes referred to as pulse-width.
Q : What does a CP3 Pump do?
A: A common rail fuel system is most easily related to supply demand. Commanded main injection duration, the demand, while the CP3 is the supply. The bigger the injector and/or longer the commanded duration, the higher the demand. CP3's are limited to what they can supply (Volume) based on displacement RPM. As demand increases beyond the CP3's ability to supply, then fuel rail pressure starts to drop.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
it is good quality
Color: Black, Size: Medium
this is very sleek and handy. I like how it looks and sits on the counter. One thought the part the holds the dish cloth falls off when I take the dish cloth off. It is a minor issue, however, if there was a way to clip it more secure to the item, this would be ideal. thank yoo
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Most importantly, its drainage system directs water into the tank, keeping it dry.
Color: Black, Size: Medium
This drain rack is small and fits perfectly on the edge of my sink. It's just the right size to hold hand soap and dishcloths, doesn't take up much space, and most importantly, it directs water directly into the sink, keeping it dry and keeping my sink clean and tidy.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Good product
Color: Black, Size: Medium
It is as described, looks neat and tidy on the sink. Just big enough to do what I need it to do. My sink stays dry because the wate goes back int the sink.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
Quality is good.
Color: Black, Size: Medium
A product that works as promised.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
It is almost great.
Color: Black, Size: Medium
It is a nice sponge holder but the tray is not wide enough and it falls. Because it was the only one I found with a spout, I am keeping it, and figured a way to stick it so the tray doesn't fall. The other thing is that the tray is not sunken enough in the middle for all the water to be routed there, and the spout doesn't always get rid of all the water inside, so once in a few days, I have to manually press it down and more water comes out.
The dishcloth rack is not great for cloths, they get wet.
Other than that, it looks very nice, it is aesthetic, big enough for all my kitchen stuff, and makes my kitchen neater, so I like it.
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Reviewed in the United States on January 17, 2026