KB Performance Pistons KB120.STD Hypereutectic Flat-Top Piston Set for Small Block Chevy

The KB Performance Pistons KB120.STD piston set is designed for Small Block Chevy applications requiring a 4.000-inch bore. This set includes eight hypereutectic, flat-top pistons engineered for consistent performance in a high-quality replacement or performance-oriented engine build.

Each piston features a 1.561-inch compression height and a minus 7.00 cc volume. The 5/64-inch, 5/64-inch, and 3/16-inch ring grooves support the specified ring configuration, while the flat-top design provides a straightforward piston profile for compatible Small Block Chevy combinations.

Built by KB Performance Pistons, the KB120.STD set is suitable for engine builders seeking a matched set of eight hypereutectic pistons with clearly defined bore, compression-height, volume, and ring-groove specifications. Verify engine and ring compatibility before installation.

Features:

• Brand: KB Performance Pistons
• Part Number: KB120.STD
• Application: Small Block Chevy
• Piston Type: Hypereutectic flat-top
• Set Quantity: Eight pistons
• Bore: 4.000 inches
• Compression Height: 1.561 inches
• Piston Volume: Minus 7.00 cc
• Ring Grooves: 5/64 x 5/64 x 3/16 inches