Most Valvoline Synpower varieties currently discounted at SuperCheap. $20 Cashback on 'Easy Pour' bottles through Valvoline Promotions website.
Synpower 5w-40 $24.99 after cashback
Cashback through Valvoline promotions (You need to have a Valvoline magnet to redeem).
Some of you were keen to see what the magnet looks like, so I asked Valvoline to send me one (which they did), and I've attached the image here, just for reference, of course.
How to get easy pour 2018 magnet?