KB Hypereutectic Pistons SBC Flat Top 4.060 Bore Piston Set — Fits Small Block Chevy

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KB Hypereutectic 4.060 Bore Pistons for SBC Builds

When your Small Block Chevy requires a 4.060-inch overbore, this set of KB Hypereutectic flat top pistons provides the perfect balance of performance and durability. These pistons are manufactured using a high-silicon alloy, which allows for tighter clearances and superior thermal expansion control compared to standard cast pistons, ensuring your engine runs smoother and lasts longer.

Key Features and Specs

• Bore Size: 4.060 inches
• Piston Style: Flat Top (-7cc)
• Ring Grooves: 5/64 x 5/64 x 3/16 inch
• Material: High-Silicon Hypereutectic
• Set Includes: 8 Pistons

The -7cc dish-less design helps maintain a consistent compression ratio, making these an excellent choice for street-strip applications where reliability is paramount. The hypereutectic construction reduces the risk of piston scuffing and ring land failure, providing peace of mind during high-RPM operation. Each piston is precision-machined to ensure a perfect fit in your bored block, promoting excellent ring seal and reduced blow-by. By choosing KB Hypereutectic pistons, you are investing in a proven design that has powered countless SBC builds to success. Whether you are restoring a classic or building a high-performance engine, these pistons offer the structural integrity required for your project. Find all the parts you need for your next engine build at GGCRACING.