Manley Engines & Components

VALVE-HEMI 5.7 R/M 1.575

Part Number: MAN-11667-1

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Valve, Race, NK-842 Stainless Steel, Intake, 2.080 in. Diameter, 4.990 in. Length, Triple Groove, Set of 8

Part Number: MAN-11668-1

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Valve, Hemi 6.1L, intake, 2.080 Race Master, Bead Loc, Set of 8

Part Number: MAN-11668B-1

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Valve, Race, XH-426 Stainless Steel, Exhaust, 1.595 in. Diameter, 4.925 in. Length, Triple Groove, Set of 8

Part Number: MAN-11669-1

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VALVE-S/D 2.125,+.600

Part Number: MAN-11768-1

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Valve, Exhaust, 1.900 in. Head Diameter, 8.68mm Stem Diameter, 5.522 in. Overall Length, Chevy, Each

Part Number: MAN-11769-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.100 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Each

Part Number: MAN-11770-1

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VALVE-S/D 2.325,+.250

Part Number: MAN-11838-1

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Valve, Intake, NK-844 Stainless, 1.937 in. Diameter, 4.911 in. Length, Chevy, Small Block, Each

Part Number: MAN-11840-1

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Each

Part Number: MAN-11844-1

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Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.522 in. Length, Chevy, Big Block, Each

Part Number: MAN-11847-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Valve, Intake, Severe Duty, Stainless Steel, 2.125 in. Diameter, 0.3415 in. Stem, 5.026 in. Length, Each

Part Number: MAN-11848-1

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Valve, Exhaust, Race Master, Stainless Steel, 1.880 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Each

Part Number: MAN-11717-1

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VALVE-BBC R/M 1.900,+.100

Part Number: MAN-11723-1

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Valves, Intake, NK-842 Stainless, 2.300 in. Diameter, 0.371 in. Stem, 5.344 in. Length, Each

Part Number: MAN-11728-1

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VALVE-SBC P/F 2.055

Part Number: MAN-11732-1

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VALVE-SBC P/F 2.080

Part Number: MAN-11736-1

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Valves, Intake, NK-844 Stainless, 2.080 in. Diameter, .3415 in. Stem, 5.111 in. Length, Set of 8

Part Number: MAN-11738-1

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Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8

Part Number: MAN-11740-1

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Valves, VALVE-P/F 2.100,+.100

Part Number: MAN-11742-1

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Valves, Severe Duty, 7 degree Dish, NK-844 Stainless, 2.100 in. Head Diameter, 5.211 in. Length, Set of 8

Part Number: MAN-11746-1

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Valve, Intake, Stainless Steel, 2.100 in. Diameter, .341 in. Stem, 5.240 in. Length, Chevy, Each

Part Number: MAN-11750-1

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VALVE-S/D 2.100,+.400

Part Number: MAN-11752-1

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VALVE-S/D 2.125,+.300

Part Number: MAN-11754-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Each

Part Number: MAN-11755-1

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