new stock just arrived today so get them while you can.
Silicone Nitride Balls - These are
simply the best diff balls available, giving a silky and long lasting diff. Weighing in at 60% less than steel balls this lightweight ball packs a right punch along with reducing skidding and wear under high speed and acceleration.
As used by Team Dub Drivers Neil Cragg & Paul Bradby
3/32" (2.381mm) Diff Balls (Pkd 12's)
5/64" (1.984mm) Thrust Balls (Pkd 12's)
http://www.p-dubracing.co.uk/page_1267572408593.html
cheers Wraggy