CHEVROLET 7.4L/454 Manley Parts and Accessories

Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-12815-1

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Valve, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Each

Part Number: MAN-11731-1

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632R

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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-12838-8

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Valve, Intake, Stainless Steel, 2.190 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-11520-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-11526-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Intake, Titanium, 2.300 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12842-8

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Connecting Rod Bolts, 12-Point, Cap Screw, 7/16 in. Thread, Chevy, Ford, Chrysler, Dodge, Plymouth, Set of 4

Part Number: MAN-42391-4

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, BBC intake 2.190 stock length, Street Master, set of 8

Part Number: MAN-10872-1

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Valves, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11800-8

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Each

Part Number: MAN-11524-1

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Estimated Ship Date: Apr 14, 2026 if ordered today

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VALVE-S/D 2.300,+.200

Part Number: MAN-11784-1

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Estimated Ship Date: Apr 14, 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: Apr 13, 2026 if ordered today

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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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Estimated Ship Date: Apr 13, 2026 if ordered today

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Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, 6.535 in., Chevy, Big Block, Each

Part Number: MAN-14066-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.605 in. Length, Chevy, Each

Part Number: MAN-11898-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Intake, 2.190 in. Head Diameter, 9.42mm Stem Diameter, 5.244 in. Overall Length, Chevy, Each

Part Number: MAN-11718-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Valve, Exhaust, XH-426 Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

Part Number: MAN-11719-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

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Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .344 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11775-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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VALVE-BBC R/M 1.940,+.100

Part Number: MAN-11777-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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VALVE-BBC R/M 1.940,+.100

Part Number: MAN-11777-8

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Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

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Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Set of 8

Part Number: MAN-11780-8

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Estimated Ship Date: Apr 13, 2026 if ordered today

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