Manley 11742-8 Severe Duty Pro Flo Intake Valve Small Block Chevy 2.100in

The Manley 11742-8 is a high-performance intake valve designed for Small Block Chevrolet engines, featuring a 2.100-inch head diameter, 5.011-inch overall length, and 0.3415-inch stem diameter.

These intake valves are crafted from NK-844 stainless steel material, representing Manley's unwavering commitment to superiority in the industry. All valves feature chrome stems and hardened valve tips for maximum durability. Manley Severe Duty SBC series performance valves are an excellent choice for bracket racing, oval track, or high-performance street engines.

Key Features:

• NK-844 intake valve material displays over four times the ultimate tensile strength of competitors' best intake valve material at 1000°F
• Chrome stems and hard tips for enhanced durability and longevity
• Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency
• Engineered for superior performance in high-temperature gasoline engines
• Stainless steel construction for corrosion resistance

Manley's rigorous testing demonstrates exceptional fatigue life, with exhaust valves enduring up to 100,000,000 cycles at 40,000 psi and 1400°F. Manley Performance is known as the leading manufacturer of performance and racing valves, and the reason for their success is quality.