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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
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Description
80w140 gear oil Red Line 80W140 GL-5 Gear Oil (58104-1)An old school viscosity that still out protects the competition. Popular in racing differentials and transmissions. Price is for a 1 quart bottle. Please adjust quantity as needed. Fluids ship to the lower 48 United States only. Includes: (1) 1 Quart Bottle Recommended for API GL 5, GL 6, MT 1, MIL L 2105E and SAE J2360 Contains additional friction modifiers for suitability with clutch type limited slip differentials for most LSDs, no additional
An old-school viscosity that still out-protects the competition. Popular in racing differentials and transmissions. Price is for a 1 quart bottle. Please adjust quantity as needed. Fluids ship to the lower 48 United States only.Includes:
(1) 1 Quart Bottle
- Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360
- Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
- This product is not designed for use in manual transmission or transaxles with synchronizers, as its slipperiness may lead to shifting problems
- Popular in stock car racing differentials and transmissions
- Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
- High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
- Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
- Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
- Exceed API GL-5 specifications
- Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear
Suitable Replacement For:
API GL-5 & MT-1MIL-L-2105E
SAE J2360
Typical Properties:
| API Service Class | GL 5+ |
| SAE Viscosity Grade (Gear Oil) | 80W140 |
| Vis @ 100°C, CSt | 26 |
| Vis @ 40°C, CSt | 227 |
| Viscosity Index | 146 |
| Pour Point, °C | -40 |
| Pour Point, °F | -40 |
| Brookfield Viscosity @ -26°C, Poise | 500 |
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
4.8 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Most durable fetch balls I know of.
Size: 2-pack, Style: Duo
These balls are the biggest balls of them all. Well, not the biggest, but the best. Every other ball she would chew up in short order and I'd be throwing her a floppy piece of rubber. She just wants to fetch, but if it's not bouncing, she can't catch it on the bounce. Got these balls in July and no damage to them. I just ordered another pair, but only because the other two somehow got stuck up in trees. We have some very old and very large oak trees so not so easy to retrieve. Hope they somehow drop someday. But in the meantime, Lassie will be happy with her new ones. Very highly recommended!
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Works great for scent work! Bounce is great for air retrieve!
Size: 2-pack, Style: Duo, Size: 2-pack, Style: Duo
My dog doesn’t know he loves them yet but I do! They are a little softer so when we do air retrieve, I don’t have to worry as much about his teeth! I’m hoping he will learn to find them by smell vs sight. We often play in the evenings and he tends to loose his ball. Love chuck it! Right now, we have about 10 chuck it balls! The tennis balls don’t work for air retrieve! Chuckit does!!! Love the thrower too! Saves my arm!!!!
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Reviewed in the United States on August 6, 2025
★★★★★ 3
I guess the smell is offputting
Size: 2-pack, Style: Duo
My dog loves chocolate stuff. But for some reason, wasn’t a huge fan of these balls. She played with them a little bit, but they’re not her favorite.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Soft!
Color: Peach Fuzz
These socks for dry heels are wonderful. I purchased a balm for my feet and these help it soak in over night. They have a gel liner in the heel which is soft. The first few nights I could. Feel the socks just because I wasn't used to it but after a few wears I can't tell I have them on. Love them and seem to be helping my heels.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Soft heels, here I come!
Color: Blue Haven
⭐️⭐️⭐️⭐️⭐️
I bought these for my 16-year-old daughter, and she loves them. They’re super soft and cozy, and they’ve really helped with dry heels. The moisturizing lining works great, and her feet feel noticeably smoother after wearing them. She even wears them around the house because they’re comfortable, not bulky or slippery. Great quality and a fun little self-care item — definitely a win! I even bought myself and my mom a pair!
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Reviewed in the United States on February 10, 2026