Manley Parts and Accessories

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.121 in. Length, Each

Part Number: MAN-11571-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.165 in. Length, Each

Part Number: MAN-11577-1

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Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.221 in. Length, Each

Part Number: MAN-11579-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each

Part Number: MAN-11580-1

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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, 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, Exhaust, Severe Duty, Stainless Steel, 1.900 in. Diameter, 0.372 in. Stem, 5.364 in. Length, Each

Part Number: MAN-11593-1

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Valve, Intake, Race Series, Stainless Steel, 2.100 in. Diameter, 0.342 in. Stem, 5.240 in. Length, Set of 8

Part Number: MAN-11594-1

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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-P/F 2.055,+.200

Part Number: MAN-11734-1

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.070 in. Length, Ford, Each

Part Number: MAN-11829-1

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Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each

Part Number: MAN-11835-1

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VALVE-S/D 2.325,+.250

Part Number: MAN-11838-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 4.965 in. Length, Each

Part Number: MAN-11573-1

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Valve, Intake, Race Series, Stainless Steel, 2.080 in. Diameter, 0.3415 in. Stem, 5.240 in. Length, Set of 8

Part Number: MAN-11574-1

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VALVE-HEMI 5.7 R/F 2.020

Part Number: MAN-11666-1

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Valves, Race Series, Intake, NK-842 Stainless Steel, 4.955 in. Overall Length, Chrysler, Dodge, 5.7L, Set of 8

Part Number: MAN-11666B-1

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Valves, Race Series, Exhaust, XH-426 Stainless Steel, 4.845 in. Overall Length, Chrysler, Dodge, 5.7L, Set of 8

Part Number: MAN-11667B-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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