CHEVROLET 7.4L/454 Engines & Components

Crankshaft Pulley, V-Belt, 2-Groove, 7.00 in., Aluminum, Black Powdercoated, Chevy, Big Block, Short Pump, Each

Part Number: MCH-7731-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Main Cap, Billet Steel, Front, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Each

Part Number: HRS-H454-1

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Valve Covers, Tall, Perimeter Bolt Mounting, Fabricated Aluminum, Black Anodized, Chevy, Big Block, Pair

Part Number: PQX-4045417

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Timing Chain and Gear Set, Original True Roller, Single Roller, Iron/Steel Sprockets, Chevy, GMC, 454, Set

Part Number: CLO-9-3149-5

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevy, Big Block, with Stock Heads, Set

Part Number: MIL-80125

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Crankshaft Pulley, V-Belt, 2-Groove, Steel, Black, Chevy, Big Block, Short Pump, Each

Part Number: TRD-8616

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft Pulley, V-Belt, 2-Groove, 7.00 in., Aluminum, Black Powdercoated, Chevy, Big Block, Long Pump, Each

Part Number: MCH-7121-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Timing Chain and Gears, Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, Big Block, Set

Part Number: EDL-7334

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each

Part Number: WRL-703370C

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pulley Set, Performance Ratio, Serpentine, Aluminum, Black, Chevy, Big Block, Set

Part Number: MCH-4350-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3440HC-060

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3440HC-STD

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BELT TENSIONER BRACKET

Part Number: MCH-21207

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Water Pump Pulley, V-Belt, 1-Groove, Aluminum, Black Powdercoated, Chevy, Big Block, Short Pump, Each

Part Number: MCH-7512-08

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Estimated Ship Date: Today

Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-296988-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Harmonic Balancer, Shell, Super Damper, External Balance, Aluminum, 7.074 in. Diameter, Shell Only, Each

Part Number: ATI-916360-70

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Chevy, Big Block, Set of 8

Part Number: KGB-CR808HPND021

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Oil Pump and Pickup Assembly, High-Volume, High Pressure, With Built-In Windage Shield, Chevy, Big Block, Kit

Part Number: MOR-22197

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.280 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M8569030

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston, Forged, Flat Top, Single Valve Relief, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-257968-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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ALUMINUM TALL FABRICATED VALVE COVER - CHEVY BB, SHORT BOLT, WITH BREATHER HOLE, BLACK

Part Number: TSN-JM8092-8BK

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: MIL-45625-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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Valve, Exhaust, Race Master, Stainless Steel, 1.880 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-11717-8

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Valve, Exhaust, Race Master, Stainless Steel, 1.940 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-11885-8

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5519125

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Estimated Ship Date: Dec 10, 2025 if ordered today

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