SKU: 98934339142

ATS Stage 3 Transmission Package 07.5-10 6.6L GM Duramax LMM

$3514.49 $3904.99
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

ATS Stage 3 Transmission Package 07.5-10 6.6L GM Duramax LMMThe Allison 1000 has no doubt proven itself since its mating in 2001 behind the first Duramax equipped GM trucks. Its longevity, even when pushed with moderately heavy loads and higher horsepower have put it at the forefront of transmissions until recently. However, as miles and horsepower accumulate, these transmissions will find their failure points, and ATS has the cure to ensure your horsepower is getting to the ground efficiently. By increasing

The Allison 1000 has no doubt proven itself since its mating in 2001 behind the first Duramax equipped GM trucks. Its longevity, even when pushed with moderately heavy loads and higher horsepower have put it at the forefront of transmissions until recently. However, as miles and horsepower accumulate, these transmissions will find their failure points, and ATS has the cure to ensure your horsepower is getting to the ground efficiently.

By increasing the capability of the torque converter, clutch surface area, and line pressure, the transmission can hold 200% more torque than stock. The result is a setup strong enough to handle aftermarket fueling, turbo(s), and tuning, yet is still smooth enough to tow and daily drive with.

SHIPPING POLICY - Due to the size and weight of transmissions, they cannot be shipped through traditional couriers, such as UPS, FedEx, USPS, etc. and MUST be shipped via truck freight. We do not offer free shipping on transmissions, however, we do offer a very competitive rate charged at checkout checkout. Once your core transmission is ready for pick up, you just need to give us a call or send us an e-mail with your original order number and the core tag on the transmission, and we can supply you with a quote on the return shipping as that is not covered in the original shipping cost. Otherwise, we give you the option to coordinate the return shipping on your own and independently pay your courier of choice. As always, if you have any questions, give us a call or send us an e-mail.

ATS GM 6.6L Duramax 4WD Allison LCT1000 Transmission Package Stage Build Comparison

Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 Stage 6
Horsepower Rating ⓘ 550 hp 650 hp 750 hp 850 hp 950 hp 1050 hp
ATS Allison LCT1000 Transmission ✅ ✅ ✅ ✅ ✅ ✅
Five-Star® Torque Converter ✅ ✅ ✅ ✅ ✅ ✅
Deep Pan Transmission Pan ✅ ✅ ✅ ✅ ✅ ✅
Co-Pilot® Transmission Controller ✅ ✅ ✅ ✅ ✅
ATS Billet Input Shaft ✅ ✅ ✅ ✅
ATS Billet Intermediate Shaft ✅ ✅ ✅
ATS Billet Output Shaft ✅ ✅
Billet P2 Carrier, C2 Hub, P1 Sungear ✅

ATS GM 6.6L Duramax 2WD Allison LCT1000 Transmission Package Stage Build Comparison

Stage 1 Stage 2 Stage 3 Stage 4 Stage 5
Horsepower Rating ⓘ 550 hp 650 hp 750 hp 850 hp 950 hp
ATS Allison LCT1000 Transmission ✅ ✅ ✅ ✅ ✅
Five-Star® Torque Converter ✅ ✅ ✅ ✅ ✅
Deep Pan Transmission Pan ✅ ✅ ✅ ✅ ✅
Co-Pilot® Transmission Controller ✅ ✅ ✅ ✅
ATS Billet Input Shaft ✅ ✅ ✅
ATS Billet Intermediate Shaft ✅ ✅
Billet P2 Carrier, C2 Hub, P1 Sungear ✅
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 98934339142

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4.8 ★★★★★
Based on 22 reviews
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C
Verified Purchase
Cheryl Snow
Charlottesville, US
★★★★★ 5
Best one so far
Still on the never ending quest for the perfect pillow. Must say that for the price this one can't be beat. Not willing to invest a small fortune on a pillow and this one is extremely reasonable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2026
A
Verified Purchase
Aimee L Smith
Boise, US
★★★★★ 5
Seems like a good buy
So far happy with it. Still can't Crack my neck but not waking up w a stiff neck anymore thanks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
J
Verified Purchase
Jacky Liu
Belleville, US
★★★★★ 5
Really good pillows
Number of Items: 1, Number of Items: 1
I’ve been using this pillow for a while now and it’s honestly one of the most comfortable pillows I’ve tried. It has a soft, cloud-like feel but still gives enough support for my neck and shoulders. I’m a side sleeper and it keeps its shape well through the night. The material feels high quality, and it doesn’t go flat like cheaper pillows. Definitely improved my sleep quality and worth the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
D
Verified Purchase
DPLK
West Palm Beach, US
★★★★★ 5
Soft AND supportive
Number of Items: 1
I knew I needed a very soft pillow - all the foam pillows I had bought recently to try to upgrade our home pilllow selection seemed ok to the touch but were still too firm once I tried them out, but recently I also had some neck pain that needed some gentle support and the old old foam pillow I had that was so very soft was losing its supportive qualities and the pain wasn’t getting better. This one seemed by description to fit the bill- very soft by the company’s own definition but also with support. I’m happy to report this is exactly as advertised- the softest foam pillow I’ve tried out of the box but also good support. Pain has improved since I started using this pillow. I would buy more if we need more pillows, it’s perfect for me and I think would be comfortable for most people. I think you just need to figure out how firm you need your pillow and also height preference . I’m an all over sleeper -back, side, even belly sometimes, so it’s fine for me, but it is a little taller compared to other pillows I’ve bought recently. I didn’t compare/try other prominent pillow brands, mostly my experience is Ikea (my daughter uses a very flat and nice foam pillow from them that is even a little pricier than this one and it works well for her), and whatever brands happen to be available at target and Costco. This price point for a name brand is reasonable, I think; I was looking at other brands way over $100, and I was willing to spend that much for something that would work long term, so this one working was great. Also, this definitely does not have any cooling effect technology, which is fine by me, but something to consider if you do like cool pillows. (Although, PSA: I recently had to throw away older foam pillows that had those cooling gel panels because the gel panels started disintegrating into sticky ooze; gross and had to throw away whole pillow because couldn’t dissociate from rest of the pillow. Sad cuz the foam part of those pillows were fine.) Anyway, if you like softer pillows but want good support, this one works well and is worth trying!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2025
L
Verified Purchase
Lori Wornom
Carnegie, US
★★★★★ 4
Flatter than a regular pillow but nice and soft
Number of Items: 1
Is it softer than a typical memory foam pillow? Yes. But it’s also a lot flatter. I don’t find this pillow rebounds very well. It’s good for stomach sleepers but not so much for side sleepers. I’m a 2/3 of the night side sleeper so it’s unfortunately not my magic pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026

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