Manley Performance Race Series SS +1mm Intake & Exhaust Valves Set Nissan Skyline RB26DETT

Race Flo / Race Master Valves

• XH-426 Stainless Exhaust Material
• NK-842 Stainless Intake Material
• Chrome Stems and Hard Tips
• Swirl Polished and Fully Machined
• Improved flow with “Pro Flo” Intakes

Manley Performance has been manufacturing the finest stainless steel valves for over 40 years. Manley valves have been the standard of the industry from their inception; a fact that still remains true even as we've shifted our focus and resources to the Sport Compact Market.

Manley Performance Sport Compact stainless steel valves utilize our exceptional "Race Series" alloy and are manufactured to the highest quality standards.

Manley valves are designed to outflow and outperform all others even in the most severe environments. Manley stainless valves feature gorgeous yet durable chrome stems, swirl polished under heads, fully hardened tips, completely machined combustion faces, closely controlled margin heights, and exact stem to seat concentricity to render a finished product that is unsurpassed.

Manley intake valves typically are built with our original "Pro-Flo" design which reduces the stem diameter in the fillet area for increased airflow but also less valve weight.


Note: The exhaust valves feature a 1mm stem diameter reduction in the keeper groove area to allow the use of the same valve springs, retainers and locks as the intake valves.