40% off in the latest Supercheap catalogue. https://www.supercheapauto.com.au/read-catalogue#view=catalo...

Also 35% off the MST 5W-30 and 5W-40 @ $41.49.

Claim $20 cashback (maximum 3 claims): https://valvolinepromotions.com.au/

Note: Plenty of documented posts on OzB saying the "promotional magnet" is not required.

The promo seems to have been updated. There is no longer a step in the redemption form requiring a photo of a magnet.

Ts&Cs: https://valvolinepromotions.com.au/terms-and-conditions-easy...

Claimants must upload a scanned copy or photo of their purchase receipt in the required field (file size must not exceed 1MB) and submit the fully completed online registration form by 11:59pm AESDST on the 31st May 2020.

Valid $20 Cashback claims will be paid by eftpos gift card to the mail address provided by the claimant in the online claim form.

PS. Don't forget discounted egift cards and cashback.