Manley 290300X SBC Stroker Rotating Assembly Kit Bore - 434 4.000/4.125

The Manley 290300X is a complete Small Block Chevy (SBC) 434 cubic inch stroker rotating assembly kit, engineered for enthusiasts and racers looking to maximize displacement and performance from the legendary GM small block platform. This kit is designed to accommodate both 4.000-inch and 4.125-inch bore applications, offering flexibility across a range of block configurations.

Manley Performance is a trusted name in high-performance engine components, and this stroker kit reflects their commitment to precision manufacturing and durability under demanding conditions. Each component in the kit is designed to work together as a balanced, high-tolerance assembly, reducing build time and ensuring reliable power output.

Key Features:

• Complete rotating assembly kit for Small Block Chevy (SBC) applications
• Builds a 434 cubic inch displacement engine
• Compatible with 4.000-inch and 4.125-inch bore cylinder blocks
• Manley-engineered components for high-performance and racing use
• Designed for precision fitment and reduced assembly time
• Ideal for street/strip, drag racing, and high-performance builds

The Manley 290300X stroker kit is an excellent foundation for a high-output SBC build, whether you're building a dedicated race engine or a powerful street machine. Trust Manley's decades of motorsport engineering to deliver the strength and performance your build demands.