Manley Engines & Components

Valve, Exhaust, Severe Duty, Stainless Steel, 1.900 in. Diameter, 0.3415 in. Stem, 6.380 in. Length, Each

Part Number: MAN-11581-1

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Valve, Intake, NK-844 Stainless, 2.400 in. Diameter, .3415 in. Stem, 6.600 in. Length, Each

Part Number: MAN-11582-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 6.400 in. Length, Chevy, Each

Part Number: MAN-11583-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.936 in. Length, Each

Part Number: MAN-11585-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.300 in. Diameter, 0.342 in. Stem, 5.725 in. Length, Each

Part Number: MAN-11588-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.400 in. Diameter, 0.342 in. Stem, 5.725 in. Length, Each

Part Number: MAN-11590-1

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VALVE-R/F 2.125,+.100, Each

Part Number: MAN-11774-1

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Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .344 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11775-1

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VALVE-BBC R/M 1.940,+.100

Part Number: MAN-11777-1

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Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Each

Part Number: MAN-11780-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .371 in. Stem, 4.970 in. Length, Mopar, Each

Part Number: MAN-11781-1

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VALVE-S/D 1.600,+.300

Part Number: MAN-11785-1

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VALVE-BBF R/M 2.280

Part Number: MAN-11786-1

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VALVE-FD 2.3L R/M 1.890

Part Number: MAN-11790-1

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VALVE-FD 2.3L R/M 1.590

Part Number: MAN-11791-1

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Valves, Intake, NK-842 Stainless, 42mm Diameter, .313 in. Stem, 4.405 in. Length, Set of 4

Part Number: MAN-11652-1

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Valves, VALVE-VW R/M 42mm

Part Number: MAN-11652B-1

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Valves, VALVE-VW R/M 43.7mm

Part Number: MAN-11654B-1

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Valves, VALVE-VW R/M 37.5mm

Part Number: MAN-11655B-1

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Valves, VALVE-VW R/M 48mm

Part Number: MAN-11658-1

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Valves, VALVE-VW R/M 48mm

Part Number: MAN-11658B-1

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VALVE-VW IV R/M 38mm

Part Number: MAN-11659-1

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Valves, VALVE-VW R/M 38mm

Part Number: MAN-11659B-1

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VALVE-VIPER R/M 2.055,+.100

Part Number: MAN-11660-1

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Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Set of 8

Part Number: MAN-11661-1

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