this is a jegs converter made by transmission specialties it is rated for 2900-3300 rpm. in my car with my combo it flashed around 46-4700 rpm according to the data log . that was behind a 521 in a 3900lb car with 3.89 gear.it has 4 passes on it and was made in june 2016 .i am going to get a ultimate built for my application. here is a link to the jegs site JEGS Performance Products 60464: Street/Strip Converter Ford C6 XHD | JEGS
and the info from the transmission specialties web site
All the 10" Street/Strip Converters are also offered in XHD (extra heavy duty) models. This adds anti-ballooning plates on the pump and cover side of the converter and is highly recommended for nitrous, blower, and transbrake applications or HP over 600. It is rated up to 850 HP.
Three new Torrington bearings
New impeller hub
New turbine hub
Fully heli brazed fins
360 degree laser cut mounting ring with dual bolt pattern.
High pressure leak test
Very competitive price
this cost $450 new,i am asking $350 shipped to the lower 48 states .item is in columbus ohio .. email [email protected]
thanks , wayne