Manley 29565RHXX BBC 565ci Stroker Rotating Assembly Kit 4.250 Stroke 4.600 Bore 43cc

The Manley 29565RHXX is a high-performance Big Block Chevy (BBC) 565 cubic inch stroker rotating assembly kit engineered for serious street, strip, and racing applications. Built around a 4.250-inch stroke and a 4.600-inch bore, this kit delivers the displacement and rotating mass needed to produce massive torque and horsepower from a Big Block Chevrolet platform.

Key Specifications:

• Engine Family: Big Block Chevrolet (BBC)
• Displacement: 565 Cubic Inches
• Stroke: 4.250 inches
• Bore: 4.600 inches
• Piston Dish Volume: 43cc (dish-top design for compression tuning flexibility)
• Series: RH / RHXX — Manley's Race Series rotating assembly

What's Included:

• Manley forged crankshaft (4.250" stroke)
• Manley Pro Series or Turbo-Tuff forged connecting rods
• Manley forged aluminum pistons with 43cc dish
• Piston rings, wrist pins, and pin locks
• Rod and main bearings

Features & Benefits:

• Fully balanced and blueprinted rotating assembly for reduced vibration and extended engine life
• Forged components throughout for superior strength under high-boost and high-RPM conditions
• 43cc dish pistons allow precise compression ratio tuning when paired with various cylinder head combustion chamber sizes
• Ideal for supercharged, turbocharged, or naturally aspirated BBC builds targeting 600–1,000+ horsepower
• Manley's precision manufacturing ensures tight tolerances and consistent quality

The Manley 29565RHXX rotating assembly kit is a turn-key solution for builders looking to maximize displacement and performance from the Big Block Chevy architecture. Whether you're building a dedicated race engine or a high-output street/strip motor, this stroker kit provides the forged foundation for a reliable, powerful build.