1968 MERCURY COUGAR Engines & Components

Enginetech Main Bearings BC303J010

Engine Crankshaft Main Bearing Set 61-78 FRD/MER 5.4L/5.8L/5.9L/6.4L/6.7L/7.0L

Part Number: EGN-BC303J010

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40720.030

Piston Rings, Premium Piston Ring Sets, Moly, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-40720030

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

KB Performance Pistons KB378.020

Pistons, Hypereutectic, Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB378-020

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5505S060

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5505S060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M594S060

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M594S060

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8571S035

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8571S035

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8571S030

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8571S030

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523S065

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5523S065

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Spiral ID Valve Guides GD9607-100

Engine Valve Guide 55-02 AMC/BUI/CAD/CHV/FRD/GMC/JEP/LIN/MER/OLD/PON

Part Number: EGN-GD9607-100

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

PRW Pushrod Guideplates (PowerPlus+) 1130201-01

Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Ford, Each

Part Number: PQX-1130201-01

Not Yet Reviewed

Estimated Ship Date: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

Cloyes Gear Timing Chain and Gear Replacement Parts S396T

Cloyes Gear Timing Chain and Gear Replacement Parts S396T

ENGINE TIMING CAMSHAFT SPROCKET

Part Number: CLO-S396T

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Cloyes Gear Timing Chain and Gear Replacement Parts S321

ENGINE TIMING CRANKSHAFT SPROCKET

Part Number: CLO-S321

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Pioneer Street Performance Balancers 872008

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

Part Number: PIO-872008

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Oil Pumps EP57

Engine Oil Pump 58-78 FRD/MER 5.4L/5.8L/5.9L/6.4L/7.0L

Part Number: EGN-EP57

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Pioneer Automotive Oil Pans 501074

OIL PAN

Part Number: PIO-501074

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Pioneer Automotive Rocker Arms RK-889-B

ROCKER ARM KIT

Part Number: PIO-RK-889-B

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Piston and Ring Kits K1501(8)060

Engine Piston Kit 63-92 FRD/LIN/MER 4.7L/5.0L

Part Number: EGN-K15018060

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Piston Ring Sets R40058-020

Engine Piston Ring Set 53-94 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GM/GMC/JEP/LIN/MER/OLD/PLY/PON 4.3L/4.7L/4.9L/5.0L/5.3L/5.7L/5.8L/5.9L/6.0L/6.4L/6.6L

Part Number: EGN-R40058020

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

PRW Pro Series Stainless Steel Rocker Arms 0230214

Rocker Arms, Stud Mount, Full Roller, Stainless Steel, Natural, 1.7/1.8 Split Ratio, 7/16 in. Stud Size, Ford, Small Block, Set of 16

Part Number: PQX-0230214

Not Yet Reviewed

Estimated Ship Date: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM5587045

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

Part Number: HSN-SM5587045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-610R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-610R

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5508005

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

Part Number: HSN-2M5508005

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sealed Power Plasma-Moly Piston Ring Sets R93435

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hastings Premium Ductile Ring Sets 2M8571065

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

Part Number: HSN-2M8571065

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5521065

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

Part Number: HSN-2M5521065

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5538045

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

Part Number: HSN-2M5538045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today