Manley 12310-8 Race Master Intake Valves 2.080" for Small Block Chevy AFR Heads

The Manley 12310-8 Race Master intake valves are engineered for high-performance Small Block Chevrolet applications, specifically designed to fit AFR 180cc, 190cc, 195cc, 210cc, 220cc, 227cc, 235cc, and 245cc series cylinder heads. This set includes eight premium stainless steel valves with a 2.080-inch head diameter and 0.3133-inch stem diameter, featuring a +.100-inch longer-than-stock overall length for improved valve train geometry.

Key Features:

• Constructed from high-strength NK-842 stainless steel alloy for maximum durability
• Chrome-plated stems and hardened valve tips for extended wear resistance
• Race Flo design optimized for improved airflow and performance
• Targeted for bracket racing, drag racing, and oval track applications
• Ideal for engines operating below 8,000 RPM

Manley Race Master valves are built to withstand the demanding conditions of competition racing while offering exceptional value for high-performance street engines. The proprietary material composition delivers superior strength and fatigue resistance compared to standard valves. Note that AFR cylinder heads have valve guides sized to 0.3147-inch nominal diameter, and Manley recommends checking and properly sizing all guides to achieve correct clearances with the 0.3133-inch intake valve stems.