CHEVROLET 7.4L/454 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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Estimated Ship Date: Jan 9, 2026 if ordered today

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Valves, Intake, Race, Stainless Steel, 2.19 in. Diameter, Chevy, Big Block, 396, 427, 454, 502, Set of 8

Part Number: MIL-45115-8

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevrolet, Big Block, Dart Big Chief Heads, Kit

Part Number: MIL-80131

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevrolet, Big Block, Brodix Pontiac Pro Stock, Kit

Part Number: MIL-80134

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevrolet, Big Block, Brodix Pontiac Pro Stock, Kit

Part Number: MIL-80137

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevrolet, Big Block, Dart Big Chief Heads, Kit

Part Number: MIL-80138

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Crank Trigger Shell, Internal Engine Balance, Chevy, Each

Part Number: ATI-916380TR

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Crank Trigger Shell, Internal Engine Balance, Chevy, Each

Part Number: ATI-916730TR

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Alternator and Vacuum Pump Bracket, Billet Aluminum, Fits Moroso Electric Water Pump, Chevy, Big Block, Kit

Part Number: MOR-63836

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Timing Chain and Gear Set, Hex-A-Just, Double Roller, -0.005 in., Billet Steel Sprockets, Merlin, Big Block, Set

Part Number: CLO-9-3147A-5

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Harmonic Balancer, Race, External Balance, Steel, Black, Chevy, GMC, 454, Each

Part Number: PIO-872026

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 266/274, Lift .510/.538, Chevy, Big Block

Part Number: HRS-120236-12

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 278/284, Lift .567/.578, Chevy, Big Block

Part Number: HRS-120245-12

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 296/308, Lift .640/.640, Chevy, Big Block

Part Number: HRS-121615-12

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 305/309, Lift .731/.737, Chevy, Big Block, Each

Part Number: HRS-121673-08

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Mechanical Roller Tappet, Advertised Duration 313/319, Lift .770/.737, Chevy, Big Block, Each

Part Number: HRS-121683-10

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 278/288, Lift .567/.601, Chevy, Big Block, Each

Part Number: HRS-122116-14

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Hydraulic Roller Tappet, Chevy, 7.4, 8.2L, Custom Order, Each

Part Number: HRS-129996

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Harmonic Balancer, SFI, Internal Balance, 7.0 in., Iron, Black Painted, Chevy, Big Block, Each

Part Number: PIO-872046

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 12, 2025 if ordered today

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BALANCER

Part Number: PIO-872075

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 286/298, Lift .634/.635, Chevy, Big Block, Each

Part Number: HRS-120206-14

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Pulley Kit, Serpentine, Aluminum, Black Powdercoated, Chevy, Big Block, Kit

Part Number: MCH-23005-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Aluminum, Black Powdercoated, Chevy, Big Block, Kit

Part Number: MCH-23010-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Aluminum, Clear Powdercoated, Chevy, Big Block, Kit

Part Number: MCH-23043

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Set, V-Belt, Aluminum, Black Powdercoated, Chevy, Big Block, Set of 3

Part Number: MCH-7750-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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