KB Performance Pistons KB246.040 Hypereutectic Flat-Top Piston Set for Small Block Ford

The KB Performance Pistons KB246.040 piston set is designed for Small Block Ford applications requiring a 4.040-inch bore and flat-top piston configuration. Made as hypereutectic pistons, this set provides a purpose-built replacement or performance component for compatible engine assemblies.

Each piston features a 1.090-inch compression height and a minus 6.50 cc volume. The flat-top design supports the specified combustion-chamber configuration, while the 1/16-inch, 1/16-inch, and 3/16-inch ring grooves accommodate the corresponding ring arrangement.

This set includes eight pistons for a complete Small Block Ford engine build or rebuild. The KB246.040 part number identifies the specific piston design and bore size, helping ensure accurate product selection when matching engine components.

Features:

• Brand: KB Performance Pistons
• Part Number: KB246.040
• Piston Type: Hypereutectic flat-top piston
• Application: Small Block Ford
• Bore Size: 4.040 inches
• Compression Height: 1.090 inches
• Piston Volume: Minus 6.50 cc
• Ring Grooves: 1/16-inch, 1/16-inch, and 3/16-inch
• Quantity: Set of 8