Cheap And Discounts ZK durable fuel injection pump rotor head B3-90 3/9 left VE Head Rotor with high quality B3-90 Wholesale. Buy Directly From Merchant CHINA-KETONG Diesel Injection System Supplier Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.