CHEVROLET Chevy big block Mark IV Engines & Components

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Domestic Series - 1000HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12389-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12453-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12457-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12020-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12041-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12245-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12412-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12438-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-23007-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12239-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-20018-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-20026-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

Part Number: DPP-21006-8

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Pulleys, Ultra, Performance Ratio, Billet Aluminum, Clear Powdercoated, Chevy, Big Block, Set

Part Number: MCH-20790

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Oil Pans, Marine, Rear Wet Sump, 2-piece Rear Main Seal, Aluminum, Natural, 7.750 in. Pan Depth, Chevrolet, Big Block Mark IV, Each

Part Number: MOR-21420

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Piston and Ring Kit, Forged, Flat, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC781KTD-040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kit, Forged, Flat, 4.310 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC781KTD-060

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kit, Forged, Dome, 4.350 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC783KTD-100

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.280 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC988KTD-030

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.350 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC988KTD-100

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Pistons, Elite, Forged 2618 Aluminum, 4.605 in. Bore, 4.500 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC508LCA-005

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Pistons, Elite, Forged 2618 Aluminum, 4.605 in. Bore, 4.375 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC509LCA-005

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Jan 16, 2026 if ordered today

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