Manley Extreme Duty Exhaust Valves 33.15 mm Head Dia., 92.00 mm O/A Length, 0.2345 in. Stem Nissan GT-R 2009-2024 | 11195-12

Product Fitment: 

2009-2024 Nissan GT-R

Complete your high‑performance engine build with the Manley Performance 11195‑12 Extreme Duty Exhaust Valve Set, engineered specifically for the Nissan VR38DETT 3.8L V6 found in the GT‑R R35. This set of 12 valves is built to withstand extreme exhaust temperatures and loads encountered in high‑boost, high‑RPM, and competition applications — making them ideal for tuners, racers, and serious performance enthusiasts.

Engineered for Maximum Durability

• Valve Type: Exhaust

• Series: Extreme Duty (high‑temperature, high‑stress performance)

• Quantity: Set of 12 valves

• Material Construction: High‑quality stainless steel with chrome stem and hardened tips for exceptional strength and wear resistance

• Surface Finish: Swirl polished and fully machined combustion faces for optimal flow and sealing

Performance Benefits

• Extreme heat resistance: Built to handle the high exhaust gas temperatures from boosted and high‑power engines

• Enhanced durability: Chrome stems and hardened tips improve wear resistance and longevity

• Optimized flow: Precision‑machined and polished surfaces help maintain efficient airflow during valve operation

• Reliable sealing: Designed for tight fitment and consistent valve seat engagement under high‑stress conditions

Why Choose Manley Extreme Duty Valves

Manley Performance has been a trusted name in high‑performance valvetrain components for decades. Their Extreme Duty exhaust valves are designed to outperform stock hardware and deliver confidence in demanding environments — from street performance builds to track and race engines. These valves provide reliable sealing and stability under elevated temperatures, pressure, and RPM.