CHEVROLET Manley Engines & Components

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each

Part Number: MAN-11831-1

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Estimated Ship Date: May 7, 2026 if ordered today

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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, 1.600 in. Diameter, .342 in. Stem, 5.265 in. Length, Chevy, Each

Part Number: MAN-11559-1

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Estimated Ship Date: May 7, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.240 in. Length, Chevy, Each

Part Number: MAN-11332-1

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Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.111 in. Length, Chevrolet, Small Block Gen 1, Each

Part Number: MAN-11744-1

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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-R/M 1.600, +.100, .3136 STEM

Part Number: MAN-12303-1

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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, 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, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.340 in. Length, Chevy, Each

Part Number: MAN-11334-1

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VALVE-S/D 2.100,+.200

Part Number: MAN-11862-1

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VALVE-BBC R/M 1.940,+.100

Part Number: MAN-11777-1

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.720 in. Diameter, .342 in. Stem, 5.011 in. Length, Universal, Each

Part Number: MAN-11540-1

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Each

Part Number: MAN-11563-1

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve, Intake, 2.190 in. Head Diameter, 9.42mm Stem Diameter, 5.244 in. Overall Length, Chevy, Each

Part Number: MAN-11718-1

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve, Severe Duty, XH-426 Stainless Steel, Exhaust, 1.600 in. Diameter, 4.923 in. Length, Each

Part Number: MAN-11677-1

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Valve, Intake, Stainless Steel, 1.94 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each

Part Number: MAN-11302-1

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Valves, VALVE-S/D 1.720,+.200

Part Number: MAN-11716-1

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Valve, Intake, Stainless Steel, 1.940 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each

Part Number: MAN-11230-1

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VALVE-S/D 2.300,+.200

Part Number: MAN-12784-1

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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, 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, 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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Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.464 in. Length, Chevy, Big Block, Each

Part Number: MAN-11535-1

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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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Estimated Ship Date: May 7, 2026 if ordered today

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