CP Piston BRS Small Block 4.05 Bore 3.550 Stroke 6.00 Rod 1.225 Set Of 8 (MTO Non-Cancel)

Forged from 2618 aluminum alloy, these CP Pistons Billet Series (BRS) pistons are built for serious performance in small block engines. The 2618 alloy is known for its strength and ability to handle high temperatures and pressures, making it a solid choice for builds pushing the limits. This set is designed for a 4.050 inch bore with a 3.550 inch stroke, and it utilizes a 6.000 inch connecting rod with a 1.225 inch wrist pin diameter. This specific combination of dimensions is crucial for achieving the desired compression ratio and displacement in your engine build.

CP Pistons is a well-known name in high-performance engine components, and this BRS set reflects that reputation. The pistons feature a unique skirt design that helps reduce friction and noise, contributing to a smoother running engine even under load. They also include valve reliefs that are precisely machined to accommodate larger camshaft profiles and valve sizes, which is essential for maximizing airflow and power in modified engines. Each piston is carefully balanced to within a few grams of each other, ensuring your rotating assembly stays balanced for reduced vibration and improved longevity.

This is a made-to-order set, meaning it's built specifically for your order and cannot be canceled once placed. This ensures you get exactly what you need, but it also means lead times can vary. Please note that these pistons are not CARB approved and cannot be shipped to California. If you're building a high-performance small block and need a robust, reliable piston set, these CP Pistons are a strong option.