Berkeley Jet's stainless steel XB impeller is a fresh new design from the company that made jet drives famous. Produced using a lost wax precision casting method from high strength 17-4 stainless steel. Featuring a improved center entry cone from the shaft to the blades to reduce cavitation. This CNC machined impeller is factory balanced and has a wear ring surfaced machined at 7.225” to match a factory sized wear ring. Available in standard A and A2 cuts with other cuts available at additional cost.