Valves

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

GSC P-D Toyota Supra/BMW B58 BMW S58 Chrome Polished 30.1mm Head Intake Valve - Single

Ferrea 2019+ Toyota Supra (B58) 29mm 5.96mm 99.80mm +5mm OS Comp Plus Ext Valve- Single (D/S Only)

Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +1mm Oversize - Single Head Dia

Supertech Nissan GTI-R Inconel Exhaust Valve - Single

Supertech Mitsubishi 4B11 EVO X Inconel Exhaust Valve - +1mm Oversize - Single

Supertech Mazda Miata 1.8L INCONEL Intake Valve - +1mm Oversize - Single

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE)

Manley Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE)

Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...