Eagle Chevy Pro Street 384 Rotating Assembly 4140 Crankshaft w/ 4340 I Beam Rods & Flat Top Pistons

Eagle has built a solid reputation for well-built performance engine components, and this Pro Street 384 rotating assembly is a prime example of their commitment to the racing world. If you're putting together a naturally-aspirated engine for the track, this assembly is designed to handle the demands of competition. It's a complete package that gives you the core rotating parts needed to build a strong foundation for your Chevy 350 engine.

At the heart of this assembly is a forged 4140 crankshaft with a 3.750-inch stroke, providing the displacement increase to 384 cubic inches. Paired with this are 6.000-inch long 4340 I-beam connecting rods, known for their strength and durability under stress. These rods come equipped with 7/16-inch ARP 8740 bolts, a name trusted for reliable fastener performance in high-stress applications. The pistons are forged 4032 Mahle flat tops with a -5cc dish, designed for a 4.040-inch bore, and they include plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. To ensure smooth operation and proper lubrication, the assembly includes King XP rod and main bearings, which are well-regarded for their performance in demanding conditions.

This rotating assembly is a significant step up for anyone looking to build a powerful, naturally-aspirated racing engine. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and balancing procedures to ensure optimal performance and longevity.