Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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For Your Every Summer RSVP, with Code: SUMMER15
Description
1970-2017 GM 8.5/GM 8.5 in Limited Slip Differential 30 Spline (YDGGM8.5-3-30-1)Yukon recommends the use of high grade Non Synthetic GL 5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. This unit uses carrier bearing & race part numbers LM102949 & LM102911 for the 8. 5" housing (2. 891" Race OD) or LM603049 & LM603012 for the GM 8. 6" housing (3. 062" Race OD). Features
Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. This unit uses carrier bearing & race part numbers LM102949 & LM102911 for the 8.5" housing (2.891" Race OD) or LM603049 & LM603012 for the GM 8.6" housing (3.062" Race OD).
Features
- 8.5" & 8.6" GM 2.73 & Up Dura Grip Limited Slip, 30spl; Composite Clutches
- 8.5" & 8.6" GM 30spl DURAGRIP, LRG HUB 2.73&UP POSITRACTION, COMPOSITE CLUTCH
- Fits 8.5" & 8.6" GM with 30 spline axles
- Fits 2.73-and-up gear ratio
- All units are backed by extensive product testing and state-of-the-art software design
- Limited Slip Differential with composite clutches
- Fully rebuildable design and proudly assembled in the USA
Application Notes
- Yukon Dura Grip Positraction / Limited Slip; GM 8.5 & 8.6 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
- Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Front; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
- Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
Warranty: 1 YR
Weight: 22.37 lbs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- 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
4.7 ★★★★★
Based on 1376 reviews
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Product Reviews
★★★★★ 5
Socks
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
So cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
Best no-show socks ever!
Size: 6-10, Color: Black
If you're tired of wearing socks that slip off and show in your sneakers, then you need to try these amazing socks! They are designed to stay in place, even after being active all day. They are incredibly soft and comfortable, and they are truly no-show, so you won't see them at all. I've been using these socks for years and have never had any issues. In fact, I love them so much that I've bought multiple packs, and my family members have started using them too. Don't waste any more time with those annoying socks that slip off and show - give these a try and you won't be disappointed!
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Reviewed in the United States on April 16, 2024
★★★★★ 5
The best
Size: 9-11, Color: Black
Seriously the best non slip low cut socks you can find. They stay in place all day and I love the fabric. They are thin which I prefer. These are really the only socks I wear.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great socks for the price!
Size: 6-10, Color: Black, Size: 6-10, Color: Black
I love these socks, they are perfect no shows but the material is thick enough for toes not too go thru. The grip is perfect and keeps the sock in place all day. I would definitely order true to size as the fit was perfect. I was surprised to find these socks at the price I did, especially when I got the socks in both black and white.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Best non-slip no show sock!
Size: 6-10, Color: Black
I love these socks! I wear them mostly with my slip on vans. The are thin so your feet can breathe (I hate thick socks). They have a grip on the heal so that they don't slip off of your feet, and it actually works! My only negative about these socks would be that if you have bigger than a size 8 foot, I would not purchase them because they do run a bit small. I wear a size 7 and they fit perfectly! They do look very tiny upon unpacking, but they stretch to the according size. I would also recommend letting them air dry after washing them and not putting them in the dryer. The first pair I purchased, I made the mistake of drying them and they shrank to an unbelievably small size. I've had my second set of socks for over 4 months now and have not had any problems since Ive been air drying them. I have not encountered any problems with them tearing as other have stated. Even though these are thin socks, they seem to be made quite well in my opinion.
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Reviewed in the United States on December 5, 2022
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