Perfect for those of you who have a three cylinder engine!!! LMFAO!!
Come on Woot, three per person? Do you even work on your car, bro?
Raised the limit to 8. 
Now I just need to modify the lawn mower to an inline-8.
(The spark plug offers that Amazon has pushed through to Flash Deals are for non-automotive applications.)
I’d make an Acme/WB joke about lawnmowers, but there really are Acme lawnmowers.