Red Line Heavy ShockProof® Gear Oil

(Exc. 8% Sales Tax - GA only)
No stock, delayed dispatch
Part Number
Red Line Oils

Red Line Heavy ShockProof® gear oil, a fully synthetic gear oil with a film thickness greater than an SAE 75W250, yet a low fluid friction like 75W90. These unique lubricants contain a suspension of solid microscopic particles within the oil which as an extreme pressure agent, offering a 'best of both worlds' balance of low drag and superior protection for gear teeth.

Supplied in 1 quart (0.946ml) bottles

The most popular ShockProof® product, many racing and specialty and racing applications, like Sprint, Midget, Dirt Late Model and Quick Change Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear ends.


  • SAE 75W250 film thickness, low fluid friction like 75W90
  • For heavily-loaded racing differentials and transmissions
  • For Sprint, Midget, Dirt late model and quick change diffs
  • For Detroit lockers / spools, NHRA Top Fuel and Funny Car
  • NOT recommended for most synchro gearbox applications
  • Helps prevent tooth breakage, resists throw-off
  • Also recommended for use in problem gearboxes
  • P65 Warning
     "WARNING: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm.