Attention Red Line Oil customers: Please be advised that we are not accepting walk-in customers at our Benicia office at this time due to COVID-19. You may place an order at redlineoil.com or call us at (707) 745-6100. All orders will be shipped to your requested address at our standard shipping rate. We apologize for the inconvenience and hope to open our doors again to you in the near future. Thank you for supporting Red Line Oil, we appreciate your business.

 
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Heavy ShockProof®

Heavy ShockProof®

Top Fuel Dragsters use it. You might be a candidate, too.

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Heavy ShockProof®

  • Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90
  • For heavily-loaded racing differentials and transmissions, problem gearboxes
  • Most popular ShockProof product, many racing and specialty applications
  • Many performance racing applications like Sprint, Midget, Dirt Late Model and Quick Change Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear ends
  • Not recommended for most synchro applications due to the product's extreme slipperiness
$18.95
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Acting like a liquid grease, these unique lubricants contain a suspension of solid microscopic particles as an extreme pressure agent, offering a "best of both worlds" balance of low drag and superior protection for gear teeth

  • Unique lubricant with solid microscopic particles offers low drag/high protection
  • 40% lower coefficient of friction and 250% of the load carrying capacity of conventional gear oils
  • 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

Available Sizes

Quart 58204
Gallon 58205
5 Gallon* 58206

*Only available from our dealers