MERCURY GRAND MARQUIS Engines & Components

Main Bearings, King XP-Series Main Bearings, .002 in., .026 mm Crankshaft Undersize, Bi-Metal. Ford, Sold as a Set

Part Number: KGB-MB5353XP0026

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Valve Locks

Part Number: PIO-SS-555-HD

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, External Balance, 6.500 in. Diameter, Nodular Iron, Black, Ford/Mercury, Small Block, Each

Part Number: PIO-DA-2009

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Internal Balance, 6.810 in. Diameter, Nodular Iron, BFord/Lincoln/Mercury, Modular V8, Each

Part Number: PIO-DA-2801

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, External Balance, 6.510 in. Diameter, Nodular Iron, Ford/Lincoln/Mercury, Small Block, Each

Part Number: PIO-DA-3022

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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ROCKER ARM KIT

Part Number: PIO-RK-660-B

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Street Performance, External Balance, Nodular Iron, Black, Ford, 351C, Each

Part Number: PIO-872007

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Street Performance, External Balance, Nodular Iron, Black, Ford, 302, 351W, Each

Part Number: PIO-872018

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Race, External Balance, 6.50 in., Iron, Black, DeTomaso, Ford, Mercury, 302, 351W, Each

Part Number: PIO-872028

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Race, External Balance, 6.50 in., Iron, Black, DeTomaso/Ford, Mercury, 302, 351W, Each

Part Number: PIO-872029

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Harmonic Balancer, Race, External Balance, Steel, Black, Ford, 5.0L, Each

Part Number: PIO-872030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855013

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855014

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855015

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Valve Spring Retainer Kit

Part Number: PIO-817104

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Rocker Arm Fastener Kit

Part Number: PIO-850014

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Estimated Ship Date: Oct 24, 2025 if ordered today

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EXP PLUG KIT

Part Number: PIO-PE-125

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Estimated Ship Date: Oct 24, 2025 if ordered today

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HEAD BOLT KIT

Part Number: PIO-S-280

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Cylinder Head Dowel Pins, Ford, Lincoln, Mercury, Set of 100

Part Number: PIO-PF-485-100

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Rod Bearings, HP-Series, Bi-metal, Silicon Aluminum, 0.25mm Crankshaft Undersize, Ford, 4.6L, 5.0L, 5.4L, Set of 8

Part Number: KGB-CR868HPN025

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Accessory Drive Belt Kit, 6 Groove Belt, Tensioner, Idler, Kit

Part Number: CEL-K49293

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive Belt Kit, 6 Groove Belt, Tensioner, Idler, Kit

Part Number: CEL-K49293A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive Belt Kit, 6 Groove Belt, Tensioner, Idler, Kit

Part Number: CEL-K49293B

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5538085

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5540065

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Estimated Ship Date: Oct 23, 2025 if ordered today

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