ACDelco GM Original Equipment 10-4034 Dexron LS 75W-90 Gear Oil – 32 oz

This is the OE gear oil for the Camaro ZL1. No additive needed.The race prep supplement indicates you should change the rear gear oil at 500 and 1500 miles. When I did this at 500 miles on my 2022 ZL1 there were already a lot of metallic filings on the magnetic drain plug as the gears lapped themselves into a solid fit between mating surfaces. Completely normal. Also, make sure you note the drain and fill holes and ensure you can open the fill hole BEFORE you open the drain hole. Nothing worse than draining your oil and then finding out you can’t refill it! These plugs are different than the coolant service ports. Do a little homework and identify them. Mine were on the driver’s side for the fill and the bottom for the drain. Very easy process to drain and refill and if the car is level then the 1.2 liter capacity is the same as when it starts to come out the fill hole.