Another optional product available for the sport jet enthusiast an insertable posi-nozzle. With this sport jet posi-nozzle will eliminate hard steering issues giving you positive reponse half lock to lock at the helm. Also eliminating increasing rpms to avoid falling off step in tight turns using a stock nozzle. Inserts are avialable from 96 (stock), 94, 92 & 89mm to fine tune the pumps performance. Did a trail test with a 175 SJ stock 3 blade slipping in hole shot removed the 96mm insert installed an 89mm eliminateing slippage.