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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
RevMax ZeroFlex Billet E Clutch Hub 20-23 GM 6.6L Duramax L5PThe 10 speed Allison is a work of art. This engineering marvel is something from the future. Extremely compact and lightweight for its torque capacity yet packing 10 speeds! As strong as this unit is in factory form it still cannot tolerate elevated power levels for a long period of time. The first clutch to fail in these units is the E clutch. This clutch is used in most of the gear ranges including 1,3,5,6,7,8 and 9th gear. The clutch capacity from
The 10 speed Allison is a work of art. This engineering marvel is something from the future. Extremely compact and lightweight for its torque capacity yet packing 10 speeds!
As strong as this unit is in factory form it still cannot tolerate elevated power levels for a long period of time. The first clutch to fail in these units is the E clutch. This clutch is used in most of the gear ranges including 1,3,5,6,7,8 and 9th gear. The clutch capacity from the factory leaves no additional torque capacity. Initially, the clutch will slip and after it heats the steels up the steels will eventually warp. Once the warping occurs the steels gouge the aluminum apply hub and eventually get stuck. As soon as this happens the clutch completely fails, and it then destroys the hub and tends to burn up additional clutches. The RevMax 10L1000 Billet E Clutch hub is a patent-pending two-piece design. The splines that engage the main shaft and the clutch hub teeth are made of billet 4140HTSR Steel. The sealing surface for the shaft to hub fitment is made of billet 6061-T6 aluminum. The steel hub will not gouge like the factory aluminum will and the spline coupling will also not strip out as the factory one does. In addition to the strength upgrades, this design also increases clutch capacity to run 6 frictions which adds 18% to the surface area for increased holding power.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.0 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 1
Runs small
Color: Silver Watch-G5010
Runs small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 5
Nice basic watch
Color: Black Watch-G5010
My father-in-law does not like new technology so when I saw this wat I knew he'd love it. It is your basic watch, works well and it's waterproof so very helpful as he fishes a lot! The overall appearance of the watch is really elegant; the watch itself is thinner than most which gives it a really nice look and I was really surprised at how good the quality is on it. It comes with the little tool to tack links out so you can adjust the fit and I feel like it looks nicer than his more expensive watches. So far, it's kept time well and he's been extremely happy with it!
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Clean simple design looks sharp, a nice watch at a great price
Color: Black Face-G5010, Color: Black Face-G5010
This watch has a nice big face that looks elegant in simplicity. The hour indicators are raised and very shiny along with the hands. On the black face, it’s very easy to read. The one that I have has a soft strap so you don’t have to remove any links. It’s ready to wear out of the box. I don’t know that the strap is leather, but it was stiff and in working with it a little bit to loosen it, it appears that it will hold up well. I wondered if it would be fragile, but it doesn’t seem so.
The soft strap makes it comfortable and maybe a little lighter so it’s easy to wear this watch. Overall, it just seems like a very well done watch and a great value and a very least a very fair value.
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Reviewed in the United States on December 14, 2025
★★★★★ 3
Better options for the price
Color: Black Watch-G5010, Color: Black Watch-G5010
While having a striking appearance, the band has many rough edges and pulls your arm hairs. It is a good size and looks good at the surface level, but it is very light almost to the point that it feels cheap or not durable. This makes the price feel unnecessary, especially when compared to other more substantial or quality feeling options at this price point and below. If you just need a watch, it’ll do but I felt that it fell short in places, especially the band.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Beautiful Watch, and easy to set up.
Color: 5535-ZP-blue
Looks classy, very easy to set the time, day of the week, and date. It is a class cover so it can break if dropped (my kids broke my first one), but it's inexpensive so it wasn't a huge deal. It's easy to read. Battery hasn't died for months. It's easy to put on and the size works for me.
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Reviewed in the United States on March 27, 2026
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