DNJ MB4131.020 Main Bearing Set, designed specifically for 10-14 aluminum block Ford 4.6L engines. Crafted by DNJ Engine Components, a name synonymous with quality and reliability, this bearing set is engineered to meet precise standards, ensuring a perfect fit and optimal function. Enjoy peace of mind with the included 1-year manufacturer warranty, covering parts and labor. The robust construction and precise tolerances of these bearings are backed by DNJ's commitment to excellence. With part number MB4131 and manufacturer code ROC, you're investing in a product that is both durable and dependable for your automotive needs. opened but repackaged for secure shipping ... Triton VIN W engines