Eagle Ford 351 Windsor Rotating Assembly Kit w/ .030 Bore Pistons

Eagle is well-known for making solid engine components, and this Street & Strip Rotating Assembly is a prime example for your Ford 351 Windsor. If you're building a street-driven engine that will see regular use on pump gas and run naturally aspirated, this assembly is designed to handle it. It's a complete package to get your engine's core rotating parts sorted out.

This kit includes a 4.000-inch cast crankshaft, which is a strong foundation for many builds. Paired with it are 6.200-inch I-beam connecting rods, known for their good strength-to-weight ratio for street applications. These rods are secured with 3/8-inch ARP 8740 bolts, a popular choice for their reliability. The pistons are hypersolid eutectic KB units with an inverted dome design, sized for a 4.030-inch bore (which is .030 inches over the standard 4.000-inch bore). They come with plasma-moly file-fit rings, meaning you'll need to gap them to your specific application for optimal performance and sealing. To round out the rotating assembly, King rod and main bearings are included, offering dependable lubrication and wear protection.

When putting this assembly together, remember that the file-fit rings require careful gapping to ensure proper compression and oil control. This kit is intended for pump gas and naturally aspirated setups, making it a practical choice for many street performance builds. Please note that this assembly is not CARB approved and cannot be shipped to California.