Manley 12627-8 Extreme Duty Stainless Steel Exhaust Valves 32mm Ford Coyote 5.0L

The Manley 12627-8 Extreme Duty Series exhaust valves are engineered for high-performance Ford Coyote 5.0L engines that demand superior heat resistance and durability. Designed for supercharged, alcohol-burning, or high-revving applications, these valves deliver the strength needed to withstand extreme combustion temperatures and pressures.

Key Features:

• Premium stainless steel construction with XH-432 XtremeAlloy material for maximum heat resistance
• 32mm (1.260 inch) head diameter with 0.234 inch stem diameter
• Chrome stems and hardened valve tips for exceptional wear resistance and longevity
• Swirl-polished underhead areas and fully machined combustion faces for optimized airflow
• Triple groove design for enhanced valve retention
• Overall length: 4.274 inches with stock installed height
• Fits Gen I and Gen II DOHC 4-valve Ford Coyote engines

Manley Performance has built a reputation since 1966 as a leading manufacturer of premium racing and performance valves. These Extreme Duty Series valves are ideal for bracket racing, oval track competition, and serious street performance applications where reliability and performance cannot be compromised.