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Description
Red Line Heavy ShockProof Gear Oil 58204Red Line Synthetic ShockProof Gear Oil provides unequalled protection for high performance differentials and transmissions which are heavily loaded or which see shock loading. This revolutionary lubricant is completely different from conventional lubricant technology in several ways. The viscosity characteristics are significantly improved. Gear teeth need high viscosity at high temperatures to prevent metal to metal contact and a low viscosity when
Red Line Synthetic ShockProof™ Gear Oil provides unequalled protection for high performance differentials and transmissions which are heavily loaded or which see shock loading. This revolutionary lubricant is completely different from conventional lubricant technology in several ways. The viscosity characteristics are significantly improved. Gear teeth need high viscosity at high temperatures to prevent metal to metal contact and a low viscosity when cold to reduce fluid friction. The ShockProof™ chemistry significantly reduces the thinning effect of high temperatures. The Heavy can be rated as a 75W250 Gear Oil, but has the lower internal fluid friction of an SAE 75W90. The Lightweight can be rated as a 75W140 Gear Oil, but has the lower internal fluid friction of an SAE 30 motor oil. The SuperLight can be rated as a 70W90 Gear Oil, but has the lower internal fluid friction of an Automatic Transmission Fluid. These ShockProof™ lubricants provide much greater viscosity in the thin layers between the gear teeth, but have very low internal fluid friction, which means very little power loss for the protection achieved. ShockProof™ Gear Oil has a 40 Percent lower coefficient of friction and 250 Percent the load carrying capacity compared to conventional gear oils, which means that metal to metal friction is greatly reduced. Temperature reductions between 25 to 75 Degree Fahrenheit are common in circle track, road racing, and off-road racing. Improved durability in high performance use is the primary benefit of the Heavy ShockProof™ and along with the improved durability is an improvement in efficiency, but if further improvements in efficiency are desired, and durability is not a major concern, Lightweight and SuperLight ShockProof™ can be used. Red Line ShockProof™ can be used in conventional, limited slip, or locker differentials. Red Line ShockProof™ is designed for use in competition differentials and transmissions.
Viscosity Grade: SAE 75W250, SAE 75W90
Use: Racing Differentials And Transmissions
Type: Synthetic
Unit Size: 1 Quart
Unit Type: Bottle
Features
- Film Thickness Greater Than An SAE 75W250, Yet Low Fluid Friction Like 75W90
- For Heavily Loaded Racing Differentials And Transmissions, Problem Gearboxes
- Unique Lubricant With Solid Microscopic Particles Offers Low Drag/High Protection
- Relatively Low Viscosity, Yet Cushions Gear Teeth Under Extreme Pressure
- Helps To Prevent Tooth Breakage, Resists Throw Off
- Avoid Use With Pumps, Coolers, And Filters As Unique Medium And Affinity For Metal Can Cause Clogging
- Designed For Wet Sump Transmissions And Differentials With Splash Lubrication
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
4.1 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Men’s Watch Box w/24 Slot Display
Color: AllBlack, Color: AllBlack
This mens watch box looks amazing, and nicely fits 24 watches without worrying about damage to the other watches. Each slot has its own location, and not need to worry about the watches rubbing up against each other.
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Reviewed in the United States on May 11, 2026
★★★★★ 4
Nice case
Color: Dark Brown, Color: Dark Brown
Very nice case. Good presentation. Only issue is if watch is over 52mm they can make it a tight fit.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Nice Case with clear top for 24 Watches
Color: Black
This is my second watch case and I am very happy with it. I like the glass so you can view the watches from the top. This one has a flip up latch which I also like because you can reach down and open the case with one hand. The pillows are a good size, not too big so they do not stretch out your watch bands. I specifically wanted a case to hold as many watches as possible and 24 is about the biggest I could find in this configuration, meaning a box and not some kind of cabinet which I do not have room for
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Reviewed in the United States on March 29, 2026
★★★★★ 1
Not good quality
Color: Black
No the quality is was expecting for the price just card board construction and plastic
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Reviewed in the United States on May 21, 2026
★★★★★ 5
24 Slot Watch Case
Color: Dark Brown
Great quality and durable watch case. The hinge on the lid gives it stronger support.
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Reviewed in the United States on May 30, 2026