http://kingsperformance.com/ sells a stage 2 diff upgrade:

KP Stage 2 Rear Differential upgrade: (Good up to 650whp)
-KP Differential Cap upgrade
-DSS 2.9 axles
-DSS Aluminum drive shaft

anyone try this? will upgrading just the diff caps make the rear end good for 650whp??

 

I have no expressive with this diff but I can tell you from all the people that I know that has blow there diff that it was the main caps that hold the diff in place that always fail

 

How much is this setup? Site says online store under development.

 

they list it as 2499

 

2.9 axles are only good for 500 I believe.

 

Many of us make full use of S2KPUDDYDAD.
He builds a tight rear end.
Consider this: he has been building rears for the high horsepower crowd for several years now and you hear of virtually no problems.

PM him and he will hook you up.

This is an excellent way to put a big smile on your face.

 

No doubt puddy builds a great diff but the oem axles will still fail for those that want to launch.

 

upgrade the diff and you will have to worry about the transmission.

 

Sideways, do you launch your car with this diff?

 

I don't launch.