KB PERFORMANCE PISTONS KB397.040 KB Performance Pistons BBC Dome Piston Set with 4.290 Inch Bore and +17.0cc for Big Block Chevy

Upgrade your Big Block Chevy engine with the KB Performance Pistons BBC Dome Piston Set, designed for optimal performance and durability. These pistons feature a 4.290-inch bore diameter, ensuring a precise fit for high-performance applications. The dome shape enhances combustion efficiency, contributing to increased power output. With a compression height of 1.520 inches, these pistons are engineered to maximize engine compression ratios and overall efficiency. The set includes eight pistons, making it ideal for rebuilds or performance upgrades. Each piston is crafted with a hypereutectic alloy, providing excellent strength, wear resistance, and thermal stability under demanding conditions. The ring grooves measure 1/16 x 1/16 x 3/16 inches, suitable for standard ring sets used in performance engines. The piston volume adds +17.00 cc, which helps fine-tune compression ratios for specific performance goals, whether for street or racing applications. These pistons are compatible with Big Block Chevy engines and are designed for straightforward installation, ensuring reliable operation and consistent power gains. Constructed without air restrictions and suitable for general transport, these pistons are a versatile choice for serious engine builders seeking quality components. Trust KB Performance Pistons for durable, high-performance engine parts that meet the demands of motorsport or high-performance street driving.

Features:

• Bore Diameter: 4.290 inches for precise engine fit

• Compression Height: 1.520 inches for optimal compression ratios

• Ring Grooves: 1/16 x 1/16 x 3/16 inches for standard performance rings

• Volume: Adds +17.00 cc to fine-tune engine compression

• Material: Hypereutectic alloy for strength and thermal stability

• Design: Dome shape enhances combustion efficiency

• Set Includes: Eight pistons suitable for Big Block Chevy engines

• Application: Ideal for engine rebuilds and performance upgrades