KB Performance Pistons KB243.030 KB Series Flat Top Piston Set

The KB Performance Pistons KB243.030 piston set is designed for small-block Mopar applications and includes eight hypereutectic flat-top pistons. The set features a 4.070-inch bore and a 1.840-inch compression height, providing key specifications for engine-building projects that require this piston configuration.

Each piston uses a flat-top design with a listed volume of minus 6.00 cc. The pistons are engineered with 5/64-inch, 5/64-inch, and 3/16-inch ring grooves. These groove specifications support the use of matching piston rings selected for the application.

As part of the KB Series, the KB243.030 set offers a clearly defined piston profile and ring-groove arrangement for small-block Mopar builds. Verify bore, compression height, ring dimensions, piston volume, and application requirements before installation to ensure compatibility with the intended engine assembly.

This product is supplied as a set of eight pistons. The brand and part number are KB Performance Pistons KB243.030, making it easy to identify the correct component during engine planning, ordering, and installation.

Features:

• Brand: KB Performance Pistons
• Part Number: KB243.030
• Piston Type: KB Series hypereutectic flat-top piston
• Application: Small-block Mopar
• Set Quantity: Eight pistons
• Bore: 4.070 inches
• Compression Height: 1.840 inches
• Ring Grooves: 5/64 inch, 5/64 inch, and 3/16 inch
• Piston Volume: Minus 6.00 cc