King Engine Bearings MB4103SI.026 Main Bearing Set for Chrysler 197 Slant Six

The King Engine Bearings MB4103SI.026 is a precision-engineered main bearing set designed specifically for Chrysler 197 cubic inch (3.2L) Slant Six engines. This bearing set provides the critical interface between the crankshaft and engine block, ensuring smooth rotation and long-term durability.

Construction and Material:

• Bi-metal construction with silicon aluminum alloy bearing surface
• Aluminum base material strengthened with 2.5-3% silicon content for enhanced load capacity
• Steel backing provides structural support and heat dissipation
• Optimized for medium-load applications and nodular cast iron crankshafts

Key Features:

• 0.026" oversize for crankshaft regrinding and rebuilding applications
• Precision bore sizing ensures proper oil clearance and bearing performance
• Complete main bearing set includes all bearings needed for the engine build
• Engineered to OEM specifications for reliable fit and function

King Engine Bearings are manufactured to strict quality standards, making them a trusted choice for professional engine builders and serious enthusiasts rebuilding Chrysler Slant Six engines. The silicon-aluminum alloy material offers excellent conformability and embeddability characteristics while maintaining the strength needed for demanding applications.