Description

It’s common knowledge that heat is one of an engine’s worst enemies. In developing the JIMS cylinder head cooler, JIMS had to sacrifice a few motors for the cause. We tested worst case scenarios by letting engines idle in the sun for over a half hour each while recording cylinder head temperatures minute by minute.

This smooth, streamline design will keep your V-Twin running cooler on those hot summer days in stop and go traffic. The JIMS® R&D department has come up with a serious