The ACL Duraglide Main Bearing Set in 040 Oversize (Product Code: 4M2309-040) is a top-quality crankshaft component designed for VR engines. The number 4 shell has a notch position to the left of center, ensuring precise alignment and fitment. This set includes main bearings with various specifications, such as half type (upper and lower), OE part numbers, shaft and tunnel sizes, wall thickness, overall length, and vertical oil clearance.

Crafted from durable F780 material, these main bearings are built to withstand the rigors of engine operation and provide reliable performance. The 040 oversize ensures a proper fit and optimal functionality for your engine's crankshaft system. Trust in ACL's reputation for robust metallurgy, precision engineering, and innovative design when choosing these main bearings for your vehicle.

ACL has been a trusted OEM supplier to the automotive industry for over 70 years, offering a comprehensive range of engine bearings for the global aftermarket. With a commitment to quality, precision, and performance, ACL ensures that each product meets the highest standards of excellence. Invest in the reliability and durability of ACL Duraglide Main Bearing Set for your engine rebuild or upgrade project. Experience the difference of superior craftsmanship and engineering with ACL.