CHEVROLET 7.4L/454 Engines & Components

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.25 in. Stroke, Custom Order, Chevy, 454, Each

Part Number: CRO-E95135X4

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Estimated Ship Date: Aug 5, 2026 if ordered today

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Camshaft, Custom Grind, Race Roller Tappet, Chevy, Big Block, Each

Part Number: CCA-11-000-9

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Estimated Ship Date: Jun 12, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3440H-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3440H-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3474HC-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3440H-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3440H-040

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB287-070

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB397-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448HC-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448HC-040

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB201-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-040

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448H-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448HC-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1448H-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB203-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB201-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Each

Part Number: UEM-S3408HC-040

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Estimated Ship Date: May 26, 2026 if ordered today

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Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Each

Part Number: UEM-SIC991-125

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Estimated Ship Date: May 26, 2026 if ordered today

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Pistons, FHR, Forged 4032 Aluminum, 4.504 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each

Part Number: UEM-SIC9957-004

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB257-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB203-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-070

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Estimated Ship Date: May 26, 2026 if ordered today

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