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- Camshafts & Valvetrain
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Manley Engines & Components

Showing In Stock Items. Show All 156 Items.

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Results 1 - 25 of 106

Manley Extreme Duty Series Stainless Steel Valves 11587-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11587-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11854-8

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Part Number: MAN-11854-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11843-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11843-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11815-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11815-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11850-8

Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Set of 8

Part Number: MAN-11850-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11856-8

Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Part Number: MAN-11856-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11878-8

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11878-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11823-8

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Set of 8

Part Number: MAN-11823-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11826-8

Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8

Part Number: MAN-11826-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11567-8

Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, .3415 in. Stem, 4.911 in. Length, Set of 8

Part Number: MAN-11567-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Extreme Duty Series Stainless Steel Valves 11822-8

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11822-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11744-8

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

Part Number: MAN-11744-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11831-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Set of 8

Part Number: MAN-11831-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11847-8

Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, 5.522 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-11847-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11760-8

Valves, Intake, NK-844 Stainless, 2.150 in. Diameter, .3415 in. Stem, 5.440 in. Length, Set of 8

Part Number: MAN-11760-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11784-8

Valves, Intake, NK-844 Stainless, 2.300 in. Diameter, .3415 in. Stem, 5.444 in. Length, Set of 8

Part Number: MAN-11784-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11802-8

Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11802-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 12337-8

Valve, Exhaust, Stainless Steel, 1.600 in. Head, 0.314 in. Stem, 5.050 in. Length, Chevy, Set of 8

Part Number: MAN-12337-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11543-8

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11543-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Extreme Duty Series Stainless Steel Valves 11520-8

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: MAN-11520-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11563-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11563-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11772-8

Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Set of 8

Part Number: MAN-11772-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11844-8

Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8

Part Number: MAN-11844-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11858-8

Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Set of 8

Part Number: MAN-11858-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Manley Extreme Duty Series Stainless Steel Valves 11582-8

Valves, Intake, NK-844 Stainless Steel, 2.400 in. Diameter, .342 in. Stem, 6.680 in. Length, Set of 8

Part Number: MAN-11582-8

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

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