Manley 290735HX SBC 355 Stroker Kit 3.480 Stroke / 4.035 Bore H-Beam

The Manley 290735HX is a complete Small Block Chevy (SBC) 355ci stroker rotating assembly kit engineered for high-performance street and competition builds. Designed around a 3.480-inch stroke and 4.035-inch bore, this kit delivers the displacement and rotating mass precision needed for serious power output from the classic Chevrolet small block platform.

Manley Performance has been a trusted name in professional-grade engine components for decades, and this stroker kit reflects their commitment to tight tolerances, superior materials, and race-proven durability. The kit is built to handle the demands of forced induction, naturally aspirated high-compression, and nitrous applications.

Key Features:

• Application: Small Block Chevrolet (SBC) 355ci stroker assembly
• Stroke: 3.480 inches
• Bore: 4.035 inches
• H-Beam Connecting Rods: HX designation indicates Manley's premium H-beam rod configuration for superior tensile strength under high-RPM and high-load conditions
• Precision-balanced rotating assembly components for smooth, reliable power delivery
• Manufactured to tight tolerances for drop-in fitment with standard SBC block dimensions
• Suitable for street performance, track day, and competition engine builds
• Built from high-strength steel and premium alloys for long service life

The Manley 290735HX stroker kit is the ideal foundation for builders looking to maximize displacement and reliability in a Small Block Chevy application. Manley's reputation for precision manufacturing ensures each component meets exacting standards right out of the box.