CHEVROLET Manley Engines & Components

Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.341 in. Stem, 5.065 in. Length, Each

Part Number: MAN-11797-1

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each

Part Number: MAN-11882-1

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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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Valve, Exhaust, XH-426 Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

Part Number: MAN-11719-1

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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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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, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Each

Part Number: MAN-11800-1

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Valve, Exhaust, Stainless Steel, 1.940 in. Diameter, .342 in. Stem, 5.522 in. Length, Chevy, Each

Part Number: MAN-11809-1

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Valves, Intake, Stainless Steel, 1.930 in. Diameter, .3133 in. Stem, 5.232 in. Length, LS 5.3L, Set of 8

Part Number: MAN-12358-1

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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, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.422 in. Length, Chevy, Big Block, Each

Part Number: MAN-12843-1

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Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Each

Part Number: MAN-12850-1

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

Part Number: MAN-11740-1

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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, 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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Cylinder Head Bolts, High Performance, Hex Head, Chevy, Big Block, Dart, Merlin, Bowtie Heads, 1 Head, Set

Part Number: MAN-42322

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Valve, Intake, Severe Duty, Stainless Steel, 1.937 in. Diameter, 0.342 in. Stem, 4.911 in. Length, Each

Part Number: MAN-11592-1

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Each

Part Number: MAN-11686-1

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