Reaction Characteristics The Ultimate Inferno is a heavy oil ball designed for bowlers who prefer Reactive over Particle coverstocks. The Ultimate Inferno uses the same core as the original Inferno but combines it with a solid 800-grit dull version of Activator coverstock.


Compared to the original Inferno:

The Ultimate Inferno will match-up better to oily lane conditions, longer patterns and heavy carry down.
The Ultimate Inferno will match-up better for bowlers who struggle with excessively long ball reaction.
The Ultimate Inferno will match-up better on heavily oiled - over/under lane conditions.