710 Window Cling

Next time your buddy with dys-car-lexia asks about your 710 engine, it's time for a heart to heart discussion - nay, an intervention. Oil is the lifeblood of your ride, and by extension, you.

Vinyl window cling to stick on inside of your windshield to remind you of your last (or next) change.
On sale! Was $5. Now $4.