SBC S/D 2.100in Intake Valve

The SBC S/D 2.100in Intake Valve from Manley is a precision-engineered component designed for small-block Chevrolet engines that demand maximum flow and reliability. This valve is ideal for those rebuilding a stock 350, upgrading a mild street engine, or constructing a high-performance platform.

With a 2.100-inch head diameter, this valve balances flow capacity with structural integrity across a broad RPM range. Manley valves are forged from premium stainless steel and undergo rigorous quality control to ensure consistent wall thickness and durability under extreme conditions. The S/D designation indicates a standard stem diameter, making it compatible with OEM and aftermarket valve guides.

Engine builders upgrading breathing efficiency on 327, 350, or 383 variants often specify Manley intake valves for their consistent performance and extended service life. Enthusiasts restoring classic Camaros, Corvettes, or Chevelles will appreciate the authentic fitment and proven track record that Manley commands in both circle-track racing and street applications.