Main Bearing Cap
An engine main bearing cap is a specialized component used to secure the crankshaft bearings to the engine block. This cap is typically made of high-strength materials such as aluminum or steel, and is designed to fit over the crankshaft bearings and bolt to the engine block. The function of the main bearing cap is to provide a secure and stable mounting point for the crankshaft bearings, which support and stabilize the crankshaft as it rotates. The main bearing cap is an essential component of the engine's bottom end, and is designed to withstand the high stresses and pressures of engine operation. The cap is typically machined to precise tolerances and may be heat-treated to improve its strength and durability. The main bearing cap is an important consideration for engine builders and mechanics, as it can have a significant impact on engine performance and reliability. Proper installation and torquing of the main bearing cap bolts is critical to ensure that the cap functions correctly and that the crankshaft is properly supported and stabilized during engine operation.
Show More
When choosing a main bearing cap, first confirm the year, make, and engine block size. Next confirm the correct cap style that will be used. Finally, from the remaining compatible options, select the main caps that meet both your application and budget needs. Don't forget other installation components such as gaskets and main bearing cap bolts to help complete your next project.
JEGS offers a large selection of main bearing caps from top engine component manufacturers such as Dart, Coleman Racing Products, Howards Cams, PRW, Speedmaster, and many others. Each main bearing cap is produced with high-quality materials to provide long-lasting and reliable performance your engine needs.