Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8) - 11274-8

Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)

Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8) - 11269-8

Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)

Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE) - 11266-1

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

Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE - 11265TF-1

Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE

Manley Gen II Race Series 53.3mm Custom SS Intake Valve (SINGLE VALVE) - 11262-1

Manley Gen II Race Series 53.3mm Custom SS Intake Valve (SINGLE VALVE)

Manley Gen II Race Series 41.3mm Custom SS Exhaust Valve (SINGLE VALVE) - 11261-1

Manley Gen II Race Series 41.3mm Custom SS Exhaust Valve (SINGLE VALVE)

Manley Gen II Race Series 37mm Custom SS Exhaust Valve (SINGLE VALVE) - 11247-1

Manley Gen II Race Series 37mm Custom SS Exhaust Valve (SINGLE VALVE)

Manley Gen II Race Series 48mm Custom SS Intake Valve (SINGLE VALVE) - 11246-1

Manley Gen II Race Series 48mm Custom SS Intake Valve (SINGLE VALVE)

Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8

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,...

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8

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,...

Manley Gen II Race Series 41.3mm Head Dia 142.2mm Length Severe Duty Exhaust Valve (SINGLE VALVE) - 11229-1

Manley Gen II Race Series 41.3mm Head Dia 142.2mm Length Severe Duty Exhaust Valve (SINGLE VALVE)

Manley Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE) - 11226-1

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