2003 Manley Engines & Components

Cap Screws, Connecting Rod, 8740 Chromoly Steel, 3/8 in., Set of 4

Part Number: MAN-42383-4

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each

Part Number: MAN-221422-1

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Estimated Ship Date: Monday 11/10/2025

Valve, Intake, Stainless Steel, 2.000 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each

Part Number: MAN-11360-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Valve, Intake, Stainless Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each

Part Number: MAN-11390-1

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Estimated Ship Date: Monday 11/10/2025

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .311 in. Stem, 5.770 in. Length, Each

Part Number: MAN-11643-1

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Estimated Ship Date: Dec 29, 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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Estimated Ship Date: Monday 11/10/2025

Valve, Exhaust, XH-426 Stainless Steel, 1.417 in. Diameter, .274 in. Stem, 4.650 in. Length, Ford, Each

Part Number: MAN-11637-1

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Valves, Exhaust, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 5.140 in. Length, Chevy, Small Block, Each

Part Number: MAN-11748-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Monday 11/10/2025

Valve, Intake, Stainless Steel, 2.080 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each

Part Number: MAN-11398-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Exhaust, Stainless Steel, 4.725 in. Length, 1.500 in. Diameter, 0.3415 in. Diameter Stem, Buick V6, Each

Part Number: MAN-11503-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Intake, XH-426 Stainless, 2.300 in. Head Diameter, 5.244 in. Length, Chevy, Big Block, Each

Part Number: MAN-11730-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Exhaust, Stainless Steel, 1.575 in. Diameter, .313 in. Stem, 4.923 in. Length, Chevy, Each

Part Number: MAN-11363-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .314 in. Stem, 4.923 in. Length, Chevy, LS, Each

Part Number: MAN-11365-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Race, Intake, NK-842 Stainless Steel, 1.417 in. Diameter, 4.118 in. Length, Subaru, Set of 8

Part Number: MAN-11138-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Race Series, Exhaust, XH-426 Stainless Steel, 4.845 in. Overall Length, Chrysler, Dodge, 5.7L, Set of 8

Part Number: MAN-11667B-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Race Flo, Intake, Stainless Steel, 2.055 Head Diameter, .3415 Stem Diameter, 5.040 in. Length, Each

Part Number: MAN-11546-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Intake, Stainless Steel, 1.920 in. Diameter, 0.311 in. Stem, 5.728 in. Length, Dodge, Set of 10

Part Number: MAN-11642-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each

Part Number: MAN-11362-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Valve Spring, NexTek, Single Beehive, 1.126 in. O.D., 0.750 in. O.D., 0.880 in. Coil Bind Height, 330 lbs./in. Spring Rate, Each

Part Number: MAN-221434-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, NK-844 Stainless, 2.100 in. Diameter, .342 in. Stem, 5.026 in. Length, Each

Part Number: MAN-11852-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: MAN-11747-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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VALVE-FD 4.6L R/M 45.5mm

Part Number: MAN-11640-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Exhaust, Stainless Steel, 1.220 in. Diameter, .274 in. Stem, 4.587 in. Length, Each

Part Number: MAN-11617-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Ford Mod intake, 38mm Race Master, Bead Loc, set of 8

Part Number: MAN-11618B-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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