ACL Nissan SR20DE/DET (2.0L) 0.025mm Oversized High Performance Main Bearing Set

Rebuilding the SR20DE or SR20DET engine in your G20, 200SX, NX, or Sentra? These ACL main bearings are a critical component for any engine overhaul. They sit at the bottom of the engine block and support the crankshaft, ensuring it spins smoothly and stays properly aligned. Since you're already inside the engine, it's the perfect time to replace these with a fresh set, especially if you're looking for improved performance or dealing with wear.

This set is specifically sized at 0.025mm undersize, which is important if your crankshaft journals have been machined down during a rebuild. ACL is known for making well-built engine components, and these bearings are designed to handle the demands of performance engines. They are made with a tri-metal material that offers good strength and wear resistance, helping to protect your crankshaft under various operating conditions. Proper installation is key, so make sure to follow the manufacturer's torque specifications and lubrication guidelines.

When you're doing an engine rebuild, it's often a good idea to replace other related components at the same time. Consider pairing these main bearings with a set of connecting rod bearings and a new oil pump to ensure your engine has a fresh start.