SKU: KBPKB162.040
UPC: 800745049513
MPN: KB162.040
The BBM Flat Top Piston Set 4.290 Bore -8cc is engineered specifically for Big Block Mopar B-Series engine builders seeking a reliable, high-performance solution for their rotating assembly. These pistons are designed to provide a precise fit and optimized compression for street-strip applications where durability and weight savings are paramount. In the world of high-output engines, maintaining strict tolerances is essential for longevity and power consistency.
Constructed from a specialized hypereutectic aluminum alloy, the BBM Flat Top Piston Set 4.290 Bore -8cc features a high silicon content that allows for tighter piston-to-wall clearances and superior thermal expansion control. The flat top design includes an effective volume of -8.00 cc, making it an ideal choice for managing compression ratios in naturally aspirated configurations. The precision-machined ring grooves are sized at 5/64, 5/64, and 3/16 inches to ensure a robust seal and efficient oil control during high-RPM operation.
This set of eight pistons is a direct fit for 4.290-inch bore specifications, providing a comprehensive solution for those looking to buy performance components for their Mopar B-Series block. Whether you are performing a complete engine overhaul or a targeted performance upgrade, this set offers the professional-grade quality required for high-stress automotive environments.
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