Originally Posted by SparkieSRT6

Actually had read both of these threads and many others before I decided to upgrade to the SL55 pump.
BTW, anyone been able to confirm the OEM part number for me yet. If I dont find one used I'll buy from Rob but I want to get this going real soon so that the pump is installed with the 62mm pulley and then a retune in time for the first track day in spring.....lol