CHEVROLET Manley Engines & Components

Valve Springs, Single, 1.311 in. Outside Diameter, 341 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16

Part Number: MAN-221428-16

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Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each

Part Number: MAN-11680-8

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Valves, Intake, NK-844 Stainless, 2.065 in. Diameter, .3720 in. Stem, 5.218 in. Length, Set of 8

Part Number: MAN-11836-8

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VALVE-S/D 1.625,+.100

Part Number: MAN-11851-8

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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, XH-428 Stainless Steel, 1.720 in. Diameter, .372 in. Stem, 5.354 in. Length, Set of 8

Part Number: MAN-11553-8

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Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, 5.140 in. Length, Chevy, Small Block, Set of 8

Part Number: MAN-11747-8

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Valves, Intake, NK-844 Stainless, 1.937 in. Diameter, 4.911 in. Length, Chevy, Small Block, Set of 8

Part Number: MAN-11840-8

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CRANK-4340 FORGE 4.250 STROKE

Part Number: MAN-190290

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Valves, Exhaust, Stainless Steel, 1.900 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11811-8

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Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

Part Number: MAN-11570-1

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Connecting Rod Bolts, Manley Replacement Bolts, Alloy 2000, Chevy, Small Block, V8, Set of 4

Part Number: MAN-42351-4

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Valve, Intake, Stainless Steel, 1.900 in. Diameter, 0.342 in. Stem, 5.522 in. Length, Chevrolet, Set of 8

Part Number: MAN-11739-1

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GPLATES-BBC 7/16

Part Number: MAN-42149-8

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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10721-1

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Valve, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Each

Part Number: MAN-11814-1

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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .342 in. Stem, 4.911 in. Length, Universal, Each

Part Number: MAN-11567-1

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each

Part Number: MAN-11537-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11543-1

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Valves, Street Flo, Exhaust, Stainless Steel, 1.6 in. Diameter, .342 in. Stem, 5.065 in. Length, Chevy, Set of 8

Part Number: MAN-10745-8

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Valve Spring, Nex Tek, Dual, 1.324 in. Outside Diameter, 435 lbs/in., Each

Part Number: MAN-221421-1

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BOLT-3/8 2000 1.600

Part Number: MAN-42351-1

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Timing Chain and Gear Set, Double Roller, Iron/Steel Sprockets, Chevy, Big Block, Set

Part Number: MAN-73192

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Valve, Intake, NK-842 Stainless, 2.190 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Each

Part Number: MAN-11894-1

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Valve, Exhaust, XH-426 Stainless Steel, 1.550 in. Diameter, .314 in. Stem, 4.923 in. Length, Each

Part Number: MAN-11361-1

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