CHEVROLET 7.4L/454 Engines & Components

Valves, Intake, NK-842 Stainless, 2.300 in. Diameter, 0.371 in. Stem, 5.344 in. Length, Each

Part Number: MAN-11728-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11515-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each

Part Number: MAN-11580-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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-12838-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12878-1

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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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Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Head Dia, 7 Degree Dish, Chevy, Big Block, Each

Part Number: MAN-11561-1

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Each

Part Number: MAN-11563-1

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VALVE-BBC R/M 1.940,+.100

Part Number: MAN-11777-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Each

Part Number: MAN-11780-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each

Part Number: MAN-11835-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Exhaust, 1.900 in. Head Diameter, 8.68mm Stem Diameter, 5.522 in. Overall Length, Chevy, Each

Part Number: MAN-11769-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Valve, Exhaust, Race Master, Stainless Steel, 1.900 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Each

Part Number: MAN-11765-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VALVE-S/D 2.300,+.200

Part Number: MAN-12784-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VALVE-BBC S/D 1.940

Part Number: MAN-12803-1

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Pulley, Power Steering Pump, GM Type P Pump, Steel, Black Anodized, Each

Part Number: LSC-152

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Chrome

Part Number: HSN-2C4973040

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM5597S035

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8567S035

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Estimated Ship Date: Dec 11, 2025 if ordered today

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SINGLE PISTON

Part Number: MAH-S2242707030

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8510S005

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston Rings, Phosphate Coated, 4.330 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-683080

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3440HC-060

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3475HC-020

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Estimated Ship Date: Jan 2, 2026 if ordered today

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