The Carrillo 2020 Toyota Supra/BMW B58 5.828in 3/8 CARR Bolt Connecting Rods (Set of 6) are a high-performance set of connecting rods designed to provide superior strength, durability, and reliability. Crafted from aircraft-grade 4340 steel, these connecting rods feature a 3/8 CARR bolt for increased strength and improved performance. The rods are designed to reduce weight, improve response time, and provide greater power output. The set of 6 rods are perfect for those looking to upgrade their engine and take their vehicle to the next level.