Eagle Chevrolet 350 2-Piece Rear Seal +.060 Bore 4340 Steel Rotating Assembly Kit

If you're building a high-performance Chevrolet 350 engine for serious competition, like drag racing, extreme street use, or heavy nitrous and boost applications, a strong rotating assembly is the heart of your build. This Eagle Heavy Duty Rotating Assembly kit is designed to handle the immense forces these engines generate. It starts with a forged 4340 steel crankshaft, known for its strength and durability under extreme stress. Paired with this are 6.000" H-beam connecting rods, also forged from 4340 steel, which are a popular choice for their robust design and ability to withstand high RPMs and significant cylinder pressures. These rods are secured with 7/16" ARP L19 bolts, a high-strength fastener specifically chosen for demanding applications.

The pistons in this kit are forged 2618 JE inverted dome pistons, sized for a 4.060" bore with a -28cc dish, making them well-suited for forced induction setups. They come with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing in a performance engine. For the bearings, Eagle has included King XP Rod and Main bearings, which offer improved performance and durability over standard bearings, especially under high loads. The crankshaft in this kit is also specified for a 2-piece rear main seal and is machined to a +.060" bore size, meaning it's intended for an engine block that has been bored out by 0.060 inches. This is a complete package for someone looking to build a very stout small-block Chevy.

It's important to note that this assembly is not CARB approved and cannot be shipped to California due to emissions regulations. Ensure your engine block is prepared to accept the +.060" bore size and the 2-piece rear main seal configuration before ordering. This kit represents a solid foundation for a powerful and reliable performance engine build.