Manley Performance Manley Performance 11193-12 Manley Nissan GT-R 3.8L (VR38DETT) DOHC 32.15mm Extreme Duty Exhaust Valves (Set of 24)
Manley Performance Manley Performance 11197-8 Manley Ford 2.3L EcoBoost Exhaust 30mm Stainless Extreme Duty Valves
Manley Performance Manley Performance 11199-8 Manley Ford 2.3L EcoBoost Exhaust 30.5mm Stainless Extreme Duty Valves
Manley Performance Manley Performance 12627-8 Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8)