SKU: MAN11670B-8
MPN: 11670B-8
The MANLEY 2.100 R/F Intake Valves for 6.1L Gen-3 Hemi represent a purpose-built performance upgrade for high-output Mopar Gen III Hemi engines. Manufactured to exacting race specifications, this set of eight stainless steel intake valves is engineered for maximum flow efficiency and sustained thermal stability under extreme engine loads. The 2.100-inch head diameter and 0.312-inch valve stem provide optimized port velocity and precise seating geometry critical for both naturally aspirated and supercharged Hemi applications.
Each valve measures 4.990 inches in overall length and is constructed from premium stainless steel, delivering superior corrosion resistance and heat dissipation compared to standard OEM components. The race-series design ensures consistent valve lift and duration across the full RPM range, eliminating performance fall-off at high engine speeds. Stainless construction handles repeated thermal cycling without loss of structural integrity—a critical factor in competitive or heavy-duty applications where cylinder head temperatures frequently exceed 200 degrees Fahrenheit.
This valve set is purpose-designed for Mopar Gen III Hemi platforms and serves engine builders, performance shops, and serious enthusiasts pursuing maximum displacement efficiency. Whether supporting a dedicated track engine, a high-output stroker build, or a modified street application, these intake valves provide the flow characteristics and durability demanded in competitive or long-duration heavy-load scenarios. Proper installation requires valve seat work and competent cylinder head machine services to ensure correct geometry and sealing.
MANLEY components are recognized across the performance automotive industry for precision manufacturing and material quality. The Hemi platform—with its hemispherical chamber design and large valve angles—demands intake valves that can exploit full combustion efficiency. This race-series specification optimizes that potential for users committed to extracting maximum horsepower and torque from their Gen-3 Hemi displacement.
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