CHEVROLET 7.4L/454 Engines & Components

Accessory Belt Tensioner, Serpentine, 6-rib, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-38103

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• $20.00 Summit Bucks

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 6.535 Rod, Chevy, 454, Each

Part Number: SCA-445430

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Idler Pulley, Replacement, Serpentine, 6-groove, Black, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: ADO-12580772

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Power Steering Pulley, Serpentine, 6-Groove, Steel, Black, GM, Each

Part Number: ADO-19421487

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.800 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6680022

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Idler Pulleys, GM OE, Serpentine, Steel, Black, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: ADO-12580773

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Crankshaft, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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• $50.00 Summit Bucks

Connecting Rods, Forged 4340 Steel, Pro Sport H-Beam, 6.535 in. Length, ARP L19 Bolts, Chevrolet, Big Block Mark IV, Set of 8

Part Number: SCA-6653522L19

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Estimated Ship Date: Feb 2, 2026 if ordered today

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PCV Valve, Straight, Steel, Zinc Finish, Checker, Chevy, Ford, GMC, Lincoln, Mazda, Mercury, Pontiac, Each

Part Number: ADO-19310788

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26385

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Crankshaft, Standard Weight, Forged 4340 Steel, 3.766 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445405C

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Accessory Belts, V-Ribbed Serpentine Belts, 6-rib, 97.56 in. Length, Chevrolet, Ford, GMC, Isuzu, Peterbilt, Each

Part Number: ADO-K060970HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Accessory Belt Tensioner, Serpentine, 6-rib, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: ADO-89017309

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Idler Pulleys, Professional, Serpentine, Steel, Black, for use on Acura®, for use on Honda®, Buick, Cadillac, Chevy, Ford, GMC, Isuzu, Jeep, Each

Part Number: ADO-38001

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.700 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6670022

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6613522A

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410L

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Idler Pulley, Serpentine, Steel, Black, Chevy, Buick, Acura, AM General, Chrysler, Dodge, Ford, Gmc, Honda™, Hummer, Isuzu,Jaguar, Jeep, Each

Part Number: ADO-15-20676

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer Repair Sleeves, Steel, Chevrolet, GMC, Big Block Gen V/Mark IV

Part Number: FEL-16205

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Accessory Belt, V-groove, 0.410 in. Width, 48.00 in. Length, Buick, Checker, Chevy, Chrysler, Ford, Pontiac

Part Number: ADO-15480

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Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420L

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 54.58 in. Length, AMC, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Pontiac, Each

Part Number: ADO-15541

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Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 36.58 in. Length, AM General, AMC, BMW, Chevy, Chrysler, Ford, GMC, Subaru, Toyota, Volvo, Each

Part Number: ADO-15360

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445426

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Estimated Ship Date: Feb 2, 2026 if ordered today

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