We had a special at the end of last year offering our high performance street/strip 4T65E transmissions for $1250 but that offer ended Dec 31st 2007. The current pricing is $1450 plus core fee and shipping. Unless you plan to run high 12s or faster the stock hardparts will be fine. A hardened 4th clutch hub is standard in all of our 4T65E builds and if you are planning to build the trans yourself then this is a must replace part.