Manley Engines & Components

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

Part Number: MAN-11567-8

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Valves, Exhaust, XH-428 Stainless, 1.625 in. Diameter, .3415 in. Stem, 5.565 in. Length, Set of 8

Part Number: MAN-11763-8

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Connecting Rod, ROD-4.6L 300M 5.850 LIGHT

Part Number: MAN-15320R6-1

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: MAN-221438-16

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VALVE SET

Part Number: MAN-12346-8

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Valve, Intake, Severe Duty, Stainless Steel, 2.125 in. Diameter, 0.3415 in. Stem, 5.440 in. Length, Set of 8

Part Number: MAN-11508-8

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Valves, Exhaust, NK-844 Stainless, 2.150 in. Diameter, .3415 in. Stem, 5.540 in. Length, Set of 8

Part Number: MAN-11766-8

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

Part Number: MAN-11784-8

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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-11744-8

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 4.965 in. Length, Set of 8

Part Number: MAN-11573-8

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Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Set of 8

Part Number: MAN-11842-8

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Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Set of 8

Part Number: MAN-11231-8

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

Part Number: MAN-11520-8

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8

Part Number: MAN-11846-8

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

Part Number: MAN-11845-8

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Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.936 in. Length, Chevy, Set of 8

Part Number: MAN-11827-8

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Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11596-8

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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-12838-8

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Valve, Intake, Titanium, 2.300 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12842-8

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Valves, Intake, Stainless Steel, 2.250 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Set of 8

Part Number: MAN-11524-8

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Valves, Intake, Stainless Steel, 2.020 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Set of 8

Part Number: MAN-11232-8

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Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.465 in. Length, Set of 8

Part Number: MAN-11513-8

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Valves, Exhaust, XH-432 Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 6.380 in. Length, Set of 8

Part Number: MAN-11581-8

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Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 4.926 in. Length, Chevy, Set of 8

Part Number: MAN-11818-8

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Valves, Intakes, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Set of 8

Part Number: MAN-11824-8

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