Supertech BMW/Mini B48 Connecting Rod Forged 4340 H-Beam ARP2000 C-C Length 148.3mm - Set of 4

If you're building a high-performance BMW or Mini engine with the B48 powerplant, you're likely looking to upgrade the connecting rods to handle increased stress. These Supertech forged connecting rods are built for that purpose. They replace the stock rods, which can be a weak point when you're pushing the engine beyond its original limits, especially with forced induction or higher RPMs.

These rods are made from strong 4340 forged steel, which is a popular choice for performance engine builds because it offers a great balance of strength and weight. The H-beam design is known for its rigidity and ability to withstand significant bending forces, making it ideal for demanding applications. Supertech includes ARP2000 bolts with this set, which are a significant upgrade over stock fasteners, offering better clamping force and reliability under high loads. The center-to-center length is 148.3mm, ensuring proper geometry within the B48 engine.

This set includes four connecting rods, enough for a complete engine. When installing these, it's crucial to ensure proper balancing of the rotating assembly, including the crankshaft, pistons, and these new rods, to minimize vibrations and ensure smooth engine operation. Always follow the manufacturer's recommended torque specifications and procedures when installing performance engine components like these.