Guys i want to change my p30 piston rings & there is
top ring, second ring, and Oil control ring in 1 set.so my ? is should i order total 4 sets?
My pistons are standard & i dont know which 1 to go for.
its says
(B16A for standard bore applications. (.020, .040 bore rings available)
so should i go .20 or .040.
pls help