Cheap And Discounts Regulator Assmebly Fuel Pressure For Mercury Crate Mercruiser Engine 350-540/5.0 5.7 L (MX)6.2 8.1 8.2 L/Scorpion 350 377 892681 Wholesale. Buy Directly From Merchant XRmarine Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.