Originally Posted by Jordo!

What he said on quantity (5 + 1/8th qts), so buy a total of 6 qts (you'll have enough left over for another 7 changes, making additional 5 qt purchases each time).

New crush washer isn't a bad idea, but not critical. i change every two OCI's or so.

A lot of folks on here like the HP1008 K&N oil filter.

BTW, no difference on those oils -- just the quantity and packaging.