Speed Pro 119M Engine Crankshaft Main Bearing Set

Overview of Speed Pro 119M Main Bearing Set

The Speed Pro 119M engine crankshaft main bearing set is engineered for Chrysler and Dodge big block engines, specifically designed for competition series applications. This main set supports 426 and 440 cubic inch displacements, providing reliable performance for high-demand engines.

• Compatible with Chrysler and Dodge big block engines
• Designed for 426 and 440 cubic inch displacement engines
• Constructed from steel backed overplated bronze alloy for durability
• Super duty alloy material ensures strength under competition conditions
• Standard size main bearing set (Std-10) for precise fitment

Technical Details and Material Composition

The Speed Pro 119M main bearing set is crafted from a steel backed overplated bronze alloy, offering enhanced wear resistance and load capacity. The super duty alloy material is selected to withstand the stresses of competition series engines, particularly in Chrysler and Dodge big block families. This main set is manufactured to standard size specifications (Std-10), ensuring compatibility with factory dimensions for 426 and 440 displacement engines.

Compatible Vehicles and Engine Families

This main bearing set is compatible with a range of Chrysler and Dodge models equipped with big block engines, including but not limited to the Chrysler 300, Dodge Challenger, Charger, Ramcharger, and various D and W series trucks. It fits engines within the Chrysler big block family, specifically those with 426 and 440 cubic inch displacement, making it suitable for performance and competition builds.

Common Applications and Problem Solving

• Rebuilding or upgrading Chrysler and Dodge big block engines in competition vehicles
• Replacing worn or damaged main bearings to restore engine reliability
• Addressing bearing clearance issues in 426 and 440 displacement engines
• Improving durability under high RPM and load conditions
• Ensuring proper crankshaft support in performance engine builds

Installation Notes and Tips

When installing the Speed Pro 119M main bearing set, ensure the crankshaft journals are clean and free of debris. Verify bearing clearances with proper measuring tools to maintain engine tolerances. This set is designed to standard size specifications, so machining or resizing is typically not required unless the crankshaft has been modified. Follow manufacturer torque specifications for main bearing caps to avoid distortion.

Quality Assurance and Warranty

Speed Pro manufactures the 119M main bearing set with strict quality control standards to meet competition series demands. The use of premium materials such as steel backed overplated bronze alloy and super duty alloy ensures consistent performance. While specific warranty details are not provided, Speed Pro products are generally backed by industry-standard warranties covering manufacturing defects.