CHEVROLET Manley Engines & Components

Valves, Intake, NK-842 Stainless, 2.165 in. Diameter, .3133 in. Stem, 4.900 in. Length, Chevy, Set of 8

Part Number: MAN-11620-8

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190140

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Valves, Exhaust, XH-426 Stainless Steel, 1.550 in. Diameter, .314 in. Stem, 4.923 in. Length, Set of 8

Part Number: MAN-11361-8

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Valves, Intake, Stainless Steel, 2.000 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

Part Number: MAN-11360-8

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

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Valves, Exhaust, XH-426 Stainless, 1.59 in. Diameter, .3136 in. Stem, 4.923 in. Length, Chevy, Set of 8

Part Number: MAN-11621-8

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

Part Number: MAN-11843-8

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

Part Number: MAN-11854-8

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Connecting Rod Bolts, 12-Point, Cap Screw, 7/16 in. Thread, 1.600 in. Length, Chevy, H-Beam, Set of 4

Part Number: MAN-42249-4

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Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 In. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11522-8

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

Part Number: MAN-11587-8

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KIT-SBC 355 3.480/4.030

Part Number: MAN-290730

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Cap Screws, Connecting Rod, ARP 2000, 7/16 in., Set of 4

Part Number: MAN-42390-4

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

Part Number: MAN-10549-8

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Valves, Intake, Stainless Steel, 2.165 in. Diameter, 0.313 in. Stem, 4.900 in. Length, Set of 8

Part Number: MAN-11686-8

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Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10576-8

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

Part Number: MAN-11850-8

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

Part Number: MAN-11881-8

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

Part Number: MAN-11565-8

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Connecting Rod, Sportmaster, 4340 I-Beam, Cap Screw, Bushed, 5.7 in. Length, Custom Bore Sizes, Chevy, Set 8

Part Number: MAN-14101-8

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Set of 8

Part Number: MAN-11661-8

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Valve Springs, Dual, 1.437 in. Outside Diameter, 391 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16

Part Number: MAN-22407-16

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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-11815-8

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Valves, Exhaust, XH-432 Stainless, 1.880 in. Diameter, .3415 in. Stem, 5.522 in. Length, Set of 8

Part Number: MAN-11737-8

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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-11566-8

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