CHEVROLET IMPALA Engines & Components

Oil Pump, PUMP ASM-OIL

Part Number: NAL-12693523

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Estimated Ship Date: Feb 11, 2026 if ordered today

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ACTUATOR

Part Number: NAL-12621505

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Crankshaft Main Bearings

Part Number: KGB-MB5398SI030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Main Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP021

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, 400, V8, Set of 5

Part Number: KGB-MB509XPC001

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Estimated Ship Date: Jan 12, 2026 if ordered today

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RIGHT VALVE COVER

Part Number: NAL-12641260

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Estimated Ship Date: Feb 11, 2026 if ordered today

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LEFT VALVE COVER

Part Number: NAL-12647772

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Valve Covers, Tall, Perimeter Bolt Mounting, Fabricated Aluminum, Silver Anodized, Pitched Top, Chevy, Small Block, Pair

Part Number: PQX-4035010

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Covers, Tall, Centerbolt Mounting, Fabricated Aluminum, Silver Anodized, Chevy, Small Block, Pair

Part Number: PQX-4035030

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Estimated Ship Date: Nov 28, 2025 if ordered today

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FABRICATED ALUMINUM VALVE COVERS, CHEV, Big Block, Std Bolt Pattern Cyl Heads, Tall, Fabricated Billet Rail, Machine Polished

Part Number: PQX-4045419

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Estimated Ship Date: Nov 28, 2025 if ordered today

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GEAR DRIVE, DUAL IDLER, CHEV 396-454 1966-90, Noisy, Made in USA

Part Number: PQX-5145421

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Rocker Arm Stud Girdle, Clamp-On, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit

Part Number: PQX-1535001

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Estimated Ship Date: Nov 28, 2025 if ordered today

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HARMONIC DAMPER, HI-PERF CHEV-GM 5.3L-6.2L, 2002-2008 Gen III/IV, Cadillac, Chev, GMC, L92 Truck and SUV, 0-Bal, 7.70" OD, Black

Part Number: PQX-2332340

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Pistons, Cast, Flat, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1412-040

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - GM 283ci/4.6L (V8) Kit with Rings

Part Number: UEM-1412-040K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - GM 283ci/4.6L (V8) Kit with Rings

Part Number: UEM-1412-060K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - GM 283ci/4.6L (V8) Kit with Rings

Part Number: UEM-1412-STDK1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Pistons, Cast, Flat, 3.643 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Set of 6

Part Number: UEM-1413-080

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Pistons, Cast, Flat, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1423-080

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Pistons, Cast, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1423-STD

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Pistons, Cast, Dome, 4.114 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-1433-020

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - Chevrolet 396ci/6.5L (V8) Kit with Rings

Part Number: UEM-1433-030K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - Chevrolet 396ci/6.5L (V8) Kit with Rings

Part Number: UEM-1433-040K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - Chevrolet 427ci/7.0L (V8) Kit with Rings

Part Number: UEM-1434-020K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Silv-O-Lite Piston - Chevrolet 427ci/7.0L (V8) Kit with Rings

Part Number: UEM-1434-030K1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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