CHEVROLET Manley Engines & Components

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

Part Number: MAN-12843-8

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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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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12850H-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, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12854-8

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Valves, Intake, Severe Duty, Stainless Steel, 2.250 in.Diameter, 0.311 in. Stem, 5.494 in. Length, Set of 8

Part Number: MAN-12856-8

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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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Connecting Rods

Part Number: MAN-14031-1

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Piston, Forged, Dish, 4.005 in. Bore, Chevy, Set of 8

Part Number: MAN-596205C-8

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Piston, Forged, Dish, 4.005 in. Bore, Driver Side, LS, Each

Part Number: MAN-596205DC-1

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Piston, Forged, Dish, 4.005 in. Bore, Passenger Side, LS, Each

Part Number: MAN-596205PC-1

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Piston, Forged, Dish, 3.905 in. Bore, Chevy, Set of 8

Part Number: MAN-596207C-8

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Piston, Forged, Dish, 4.070 in. Bore, Chevy, Set of 8

Part Number: MAN-596270C-8

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Piston, Forged, Flat, 4.070 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592670DC-1

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Piston, Forged, Flat, 4.070 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592670PC-1

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Piston, Forged, Flat, 4.080 in. Bore, LS, Set of 8

Part Number: MAN-592680C-8

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Pistons, Forged, Dish, 4.001 in. Bore, Chevy, Small Block, Set of 8

Part Number: MAN-592701C-8

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Piston, Forged, Dish, 4.001 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592701DC-1

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Piston, Forged, Dish, 4.001 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592701PC-1

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Piston, Forged, Dish, 4.005 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592705DC-1

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Piston, Forged, Dish, 4.005 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592705PC-1

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Piston, Forged, Flat, 4.030 in. Bore, Driver Side, LS, Each

Part Number: MAN-592730DC-1

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Piston, Forged, Flat, 4.030 in. Bore, Passenger Side, LS, Each

Part Number: MAN-592730PC-1

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Pistons, Forged, Dish, 4.065 in. Bore, Chevy, Small Block, Set of 8

Part Number: MAN-592765C-8

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Piston, Forged, Dish, 4.065 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592765DC-1

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