Carrillo BMW M40/M42/M43/M44 Pro-H 3/8 CARR Bolt Connecting Rods (Set of 4)

If you're building a high-performance engine for your BMW M40, M42, M43, or M44, you need connecting rods that can handle the extra stress. These Pro-H connecting rods from Carrillo are built to take on demanding builds, offering a solid foundation for increased horsepower and torque. They are designed specifically for these 4-cylinder BMW engines, ensuring a proper fit and reliable operation when you push your engine harder.

Carrillo is well-known for making strong internal engine components, and these rods are no exception. They feature a robust Pro-H beam design, which is a popular choice for its strength-to-weight ratio, helping to keep reciprocating mass down while maintaining excellent rigidity. This set includes four rods, each equipped with Carrillo's own 3/8" CARR bolts, which are a step up from standard hardware and provide a more secure connection under high loads. The material used is a high-strength steel alloy, chosen for its durability and ability to withstand the intense pressures and temperatures found in a performance engine.

When you're assembling a performance engine, the connecting rods are a critical link between the pistons and the crankshaft. Choosing a well-built set like these Carrillo Pro-H rods means you're investing in the longevity and reliability of your build. They are designed to be a direct replacement for the stock rods, but with significantly improved strength. Make sure to follow the manufacturer's installation instructions carefully, as proper balancing and assembly are key to achieving the best results from these high-performance components.