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...

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...

Manley Gen 2 Severe Duty Valves 1.625 Max .3415 Stem

Supertech Nissan 350 VQ35 Exhaust valve 33.35 +2 x 5.95 x 94mm Flat

GSC P-D Audi DAZA 28mm Head STD 101.8mm Long Chrome Polished Exhaust Valve - 6mm Stem - Set of 10

GSC P-D Audi DAZA 28mm Head STD 101.8mm Long Chrome Polished Exhaust Valve - Single

GSC P-D Audi V10 5.2L 33.8mm Head STD 104.4mm Long Chrome Polished Intake Valve - Set of 10

GSC P-D Audi V10 5.2L 33.8mm Head STD 104.4mm Long Chrome Polished Intake Valve - Single

GSC P-D Audi V10 5.2L 27mm Head STD 101.8mm Long Chrome Polished Alloy Exhaust Valve - Set of 10

GSC P-D Audi V10 5.2L 27mm Head STD 101.8mm Long Chrome Polished Alloy Exhaust Valve - Single

GSC P-D Toyota 2JZ 30.0mm Head (+1mm) 6.6mm Stem Chrome Alloy Polished Exhaust Valve - Single

Supertech BMW S63 (V8) 32V Black Nitrided Intake Valve - Set of 16 (Use w/ Keeper KPR-6S-7)

Supertech BMW S63 V8 32v 29mm(std) x 5.95 x 106mm Inconel Sodium Filled Exhaust Valve - Set of 16

Brian Crower Toyota 2JZGTE / Lexus 2JZGE 29mm Exhaust Valve (Single Valve)

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM