JE Pistons 3.840 Bore Buick V6 8.75 Set of 6 Pistons

This kit gets you a set of six JE Pistons, each with a 3.840-inch bore, designed for Buick V6 engines. These pistons feature an inverted dome/dish design, a 1.850-inch compression distance, and a 0.940-inch pin diameter. They are forged from 2618 aluminum, a material known for its high tensile strength, making it well-suited for high-demand performance applications where durability is critical.

JE Pistons has over 75 years of experience in creating forged racing pistons, and this set reflects that expertise. They are forged and machined entirely in the USA, ensuring a high standard of manufacturing. The pistons incorporate JE's proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by reducing skirt width and using a shorter wrist pin for added weight savings. Depending on the specific application, these pistons may also include an accumulator groove to manage combustion gas pressure, reducing ring flutter and improving ring seal for consistent power delivery. Some applications also feature a skirt coating that further reduces friction and wear on the piston skirts and cylinder walls, contributing to quieter operation.

These pistons are specifically designed for each engine and intended use, aiming for optimized performance and durability. While they are not CARB approved and cannot be shipped to California, they represent a solid option for builders looking for robust internal engine components. It's important to note that these are performance pistons and may require other supporting modifications or components for optimal integration into your engine build.