Although I rode before a Heritage Classic with 88B block here in Saudi Arabia and had great experiences with a JAGG oil cooler (keeping my oil temp as maximum around 237 F in over 110F hot weather), I advised a colleague a JAGG fan assisted oil cooler on his Electra Glide Ultra with 96 block. Normally burning the hair from his private parts in traffic here, he installed the JAGG fan assisted oil cooler and his oil temperature never rose above 246 F in heavy traffic and over 110F heat. Big compliments for JAGG, they manufacture great oil coolers and I won't be surprised if Harley Davidson buy their oil coolers from them with the HD logo on it.

 

The Harley oil coolers are different and do not work near as well . My bike came with the Harley oil cooler and it did not help much , I called Marv Bealls at Jagg and he was just about to release his fan assisted model , we talked and he ended up selling me one before they were even released yet so I have one of the first if not first to hit the market years ago. It has worked flawlessly and made a huge difference. The product works and Marv is a stand up guy.