KB Performance Pistons KB400.030 Hypereutectic Domed Piston Set

The KB Performance Pistons KB400.030 piston set is designed for Mopar B-Series applications and includes eight hypereutectic pistons. Each piston features a domed design with a 4.280-inch bore and a 1.908-inch compression height.

This piston set has 5/64-inch, 5/64-inch, and 3/16-inch ring grooves for the specified ring configuration. The domed piston design provides a stated plus 6.00 cc volume specification, making this set suitable for engine builds where these piston characteristics are required.

Manufactured as part of the KB Series, these pistons provide a purpose-built replacement or performance-oriented component for compatible Mopar B-Series engine projects. Verify application requirements and engine specifications before installation to ensure the piston design, bore, compression height, ring grooves, and volume specification match the intended build.

Features:

• Brand: KB Performance Pistons
• Part Number: KB400.030
• Piston Type: Hypereutectic domed piston
• Application: Mopar B-Series
• Bore: 4.280 inches
• Compression Height: 1.908 inches
• Ring Grooves: 5/64 inch, 5/64 inch, and 3/16 inch
• Volume Specification: Plus 6.00 cc
• Quantity: Set of 8