King Engine Bearings MB4507SI0.5 Main Bearing Set for Suzuki Engines - H25A H27A

The King Engine Bearings MB4507SI0.5 is a precision-engineered main bearing set designed specifically for Suzuki H25A and H27A engines. This complete main bearing set provides the critical interface between the crankshaft and engine block, ensuring smooth rotation and optimal oil clearance for reliable engine performance.

Key Features:

• Bimetal construction with aluminum-silicon base alloy for excellent load capacity and wear resistance
• Engineered specifically for Suzuki H25A and H27A engine applications
• 0.5mm oversize for precise fitment during engine rebuilds with machined crankshafts
• Complete main bearing set for full crankshaft support
• High-quality materials ensure proper oil retention and heat dissipation
• Manufactured to OEM specifications for reliable performance

King Engine Bearings are a trusted choice among professional engine builders and performance enthusiasts. The bimetal aluminum-silicon construction provides an excellent balance of strength, conformability, and embedability, making these bearings ideal for both stock rebuilds and performance applications. The 0.5mm oversize allows for proper clearance when using a machined crankshaft during engine reconditioning.