Chevy 454 Big Block Mark IV Parts & Accessories

Catalytic Converter, Stainless Steel, with Heat Shield, Universal, 3 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94009

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Carburetor, SS-Series, 850 cfm, Mechanical Secondary, Electric Choke, 4-Barrel, Square Bore, Dual Fuel Inlet

Part Number: QFT-SS-850

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gaskets, Manifold, Intake, Printoseal, Rectangle, 2.54 in. x 1.82 in. Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: FEL-1211

4.54 out of 5 stars ( 24 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, Performance, PermaTorqueMLS, 4.640 in. Bore, 0.041 in. Compressed Thickness, Chevy, Each

Part Number: FEL-1077041

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Bellhousing, Manual, GM NV 4500 Transmission to Chevy, Big/Small Block V8, V6, Each

Part Number: ADD-712577

3.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Head Gasket, Composition Type, 4.540 in. Bore, .039 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: FEL-1047

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Roller Lifters, EZ-Roll Max, Mechanical Roller, Vertical Link Bar, .842 in. Lifter O.D., Chevy V8, Set of 16

Part Number: ISK-37296RHMEZMA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Alternator, S Series Alternator, 12 V, 240 amps, Polished, One Wire, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127240P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: CCA-17021-16

4.6 out of 5 stars ( 30 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Flexplate; Performance, Neutral Balance, 168 Tooth, Chevy, V8, Each

Part Number: HAY-10-010

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Steering Boxes, New Steering Gears, Power Assist, Cast Iron, Natural, Chevrolet, Dodge, GMC, Each

Part Number: LSC-11416

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Connecting Rods, Compstar, Forged 4340 Steel, H-Beam, 6.135 in. Length, Cap Screw, Chevy, Big Block, Set of 8

Part Number: CPI-B6135ES3B9AH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Coilover Shocks, HQ Series, Front, Chevrolet, Kit

Part Number: ART-11283510

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Distributor, Pro-Billet Dual Sync EFI, Hall Effect Trigger, Male/HEI, Standard Rotation, Black Cap, Billet Aluminum Housing, Black, Chevy, Each

Part Number: MSD-23753

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Water Pump, Mechanical, High-Volume, Iron, Natural, Chevy, Big Block, Long, Each

Part Number: SUM-312461

4.42 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Shock, Twin-Tube, Rear, 4-7 in. Drop, Chevy, GMC, Each

Part Number: MMC-2050

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 4.88:1 Ratio, Dana 60, Set

Part Number: RMG-79-0068-1

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Headers, Fenderwell, 2 1/4 in. Primaries, 4 in. Collector, Chevy, GMC, Big Block, Pair

Part Number: SCH-2348

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 335/339, Lift .625/.639, Chevy, Big Block, Each

Part Number: EDL-2261

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ignition PRO SERIES READY TO RUN DISTRIBUTOR, CHEVY SB/BB, V8 ENGINE, BLACK CAP W/ FIXED COLLAR

Part Number: MLL-BPP3503BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Valve Covers, Slant Edge, Tall, Perimeter Bolt, Cast Aluminum, Gloss Black Powdercoated, Chevrolet Logo Top Style, Chevrolet, Big Block, Pair

Part Number: PRO-141-868

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Disc Brakes, Front and Rear, Power, Rotors, Calipers, Front Spindles, Master Cylinder, Chevy, GMC, Kit

Part Number: CLP-7387FRBK5BB

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Master Cylinder Booster Combo, Natural, 1.125 in. Bore, 9.0 in. Diameter Booster, Kit

Part Number: TFF-2129NB

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Intake Manifold, Stage 2, Dual Plane, Aluminum, Natural, Square Bore, Chevy, Big Block, Oval Ports, Each

Part Number: SUM-226024

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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