Manley 11859-8 Race Flo Exhaust Valves for Mopar B / RB-Series, 1.740 Inch Head Diameter

The Manley 11859-8 Race Flo Exhaust Valves are engineered for high-performance Mopar B and RB-Series engines. Crafted from durable stainless steel, these valves feature a 1.740-inch head diameter and a 0.372-inch valve stem for optimal airflow and valve control. Designed for racing applications, the valves measure approximately 4.908 inches in length, providing precise fitment and reliable operation in demanding engine environments. The set includes eight valves, making them suitable for complete head rebuilds or performance upgrades. Constructed with high-quality materials, these valves resist heat and corrosion, ensuring longevity and consistent performance under extreme conditions. Whether upgrading a race engine or enhancing a performance build, these exhaust valves deliver improved flow characteristics and durability for Mopar B and RB-Series engines.

Features:

• Constructed from stainless steel for strength and corrosion resistance

• Head diameter: 1.740 inches for enhanced airflow

• Valve stem diameter: 0.372 inches for optimal valve operation

• Length: approximately 4.908 inches for precise fitment

• Set of 8 valves designed for Mopar B / RB-Series engines