CHEVROLET Manley Parts and Accessories

Valve, Exhaust, Race Master, Stainless Steel, 1.940 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Each

Part Number: MAN-11885-1

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Estimated Ship Date: Mar 9, 2026 if ordered today

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VALVE-S/D 2.300,+.200

Part Number: MAN-12784-1

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VALVE-BBC S/D 1.940

Part Number: MAN-12803-1

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Valve, Intake, 2.325 in. Diameter, Stainless Steel, 0.250 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12838-1

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12854-1

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12878-1

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Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12880-1

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Valve, Intake, NK-844 Stainless Steel, 2.100 in. Head Diameter, 5.440 in. Length, Chevy, Small Block, Each

Part Number: MAN-11510-1

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Valve, Intake, NK-844 Stainless, 2.080 in. Head Diameter, 5.440 in. Length, Chevy, Small Block, Each

Part Number: MAN-11512-1

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11515-1

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Each

Part Number: MAN-11524-1

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Valve, Intake, NK-844 Stainless, 2.300 in. Diameter, .3720 in. Stem, 5.325 in. Length, Each

Part Number: MAN-11530-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Diameter, 0.3715 in. Stem, 5.464 in. Length, Each

Part Number: MAN-11533-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.250 in. Diameter, 0.372 in. Stem, 5.433 in. Length, Each

Part Number: MAN-11534-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.911 in. Length, Each

Part Number: MAN-11541-1

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Valve, Intake, Stainless Steel, 1.840 in. Diameter, .342 in. Stem, 5.011 in. Length, Universal, Each

Part Number: MAN-11542-1

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .342 in. Stem, 5.140 in. Length, Each

Part Number: MAN-11544-1

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Valve, Intake, Race Series, Stainless Steel, 2.055 in. Diameter, 0.3415 in. Stem, 5.140 in. Length, Each

Part Number: MAN-11552-1

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Valve, Exhaust, XH-428 Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 4.921 in. Length, Chevy, Each

Part Number: MAN-11557-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.265 in. Length, Chevy, Each

Part Number: MAN-11559-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Head Dia, 7 Degree Dish, Chevy, Big Block, Each

Part Number: MAN-11561-1

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Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.021 in. Length, Each

Part Number: MAN-11569-1

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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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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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