Speed Pro 8-7135CH Engine Connecting Rod Bearing Set

Overview of Speed Pro Engine Connecting Rod Bearing Set 8-7135CH

The Speed Pro 8-7135CH engine connecting rod bearing set is designed for competition series applications, specifically engineered for Chrysler and Dodge big block engines with 426 and 440 cubic inch displacement. This rod bearing set offers precise dimensions and durable materials to support high-performance engine builds.

• Compatible with Chrysler and Dodge models including 300, Challenger, Charger, Ramcharger, and Town & Country
• Designed for big block engines with 426 and 440 cubic inch displacement
• Steel backed overplated bronze alloy construction for durability
• Oil clearance range from 0.0005 to 0.0029 inches for optimal lubrication
• Housing bore diameter between 2.5000 and 2.5005 inches
• Standard shaft size between 2.3740 and 2.3750 inches
• Wall thickness up to 0.0623 inches ensuring strength and reliability

Technical Details and Material Specifications

The Speed Pro 8-7135CH rod bearing set is manufactured using a super duty alloy with a steel-backed overplated bronze alloy surface. This combination provides enhanced wear resistance and longevity under high-stress conditions typical of competition engines. The bearing set maintains strict tolerances with housing bore dimensions ranging from 2.5000 to 2.5005 inches and oil clearance specifications between 0.0005 and 0.0029 inches, ensuring proper fit and lubrication. The overall length maxes at 0.9090 inches, with a wall thickness of up to 0.0623 inches, supporting the structural integrity required for big block Chrysler and Dodge engines.

Applications and Problem Solving

• Replacement for worn or damaged connecting rod bearings in Chrysler and Dodge big block engines
• Addresses bearing clearance issues that can cause engine knocking or reduced oil pressure
• Helps prevent premature bearing wear in high-performance or competition series engines
• Supports engine rebuilds requiring precise bearing sizing for 426 and 440 cubic inch displacements
• Improves reliability in engines experiencing high RPM and load conditions

Installation Notes and Tips

Ensure the engine block and connecting rods are thoroughly cleaned before installation. Verify housing bore dimensions and shaft sizes to confirm compatibility with the 8-7135CH bearing set. Use proper torque specifications when assembling to avoid bearing distortion. Check oil clearance with plastigage or a similar tool to confirm it falls within the specified range of 0.0005 to 0.0029 inches. Proper lubrication during assembly is critical to prevent initial wear.

Quality Assurance and Warranty

Speed Pro connecting rod bearings are manufactured to meet stringent quality standards for competition series engines. The 8-7135CH set undergoes rigorous dimensional and material inspections to ensure consistent performance. While specific warranty details are not provided, Speed Pro products are generally backed by manufacturer quality guarantees to support professional engine builders and enthusiasts.