BBC Intake Valve 2.350 x 5.500 OAL 11/32 Stem

The BBC Intake Valve 2.350 x 5.500 OAL 11/32 Stem by Air Flow Research is a high-performance intake valve engineered for Big Block Chevy engines demanding maximum flow efficiency and reliability. This stainless steel valve is designed for serious engine builders, performance shops, and enthusiasts who refuse to compromise on combustion chamber integrity. Whether you're assembling a street performance engine, preparing for competition, or rebuilding a vintage muscle car, this precision-engineered component ensures optimal air induction and consistent valve sealing under demanding operating conditions.

Constructed from premium stainless steel, the BBC Intake Valve features a 2.350-inch head diameter optimized for flow characteristics and a precisely machined 11/32-inch valve stem for dependable guide fitment. The 5.500-inch overall length provides proper valve train geometry when paired with matched Big Block Chevy components. Stainless construction resists corrosion and thermal fatigue, critical factors in high-heat combustion chambers where temperature cycling and oxidative stress demand superior material durability. Air Flow Research's manufacturing standards ensure valve face angles, stem runout, and critical dimensions meet OEM tolerances, delivering consistent performance across multiple engine builds.

This intake valve is essential for Big Block Chevy platforms including 427, 454, and 502 variants used in high-performance street, marine, and racing applications. Installation requires matching Big Block Chevy cylinder head specifications and proper valve seat machining by experienced engine builders. Pair this valve with compatible exhaust valves, springs, and retainers for complete valve train assembly. Each valve ships individually, allowing builders to purchase matched sets for multi-cylinder configurations with confidence in Air Flow Research's proven performance heritage.