1968 MERCURY COUGAR Engines & Components

Pioneer Race Balancers 872029

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

Part Number: PIO-872029

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 Piston Ring Sets M40558-060

Engine Piston Ring Set 61-76 FRD/MER 3.6L/3.9L/4.3L/4.9L/5.8L/5.9L/6.4L/6.7L

Part Number: EGN-M40558060

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Melling Valve Springs VS-350

Valve Springs, Single, 1.225 in. Diameter, 57-63 lbs. Seat Pressure, 1.105 in. Coil Bind Height, Each

Part Number: MEL-VS-350

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

Melling Timing Chain Sets 48520T-9

Melling Timing Chain Sets 48520T-9

SPEED SET

Part Number: MEL-48520T-9

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 2M594S

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

Part Number: HSN-2M594S

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 Piston Ring Sets 139S080

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-139S080

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 Piston Sets P1502(8)040

Engine Piston Set 63-76 FRD/MER 4.7L/5.0L

Part Number: EGN-P15028040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Enginetech Main Bearings BC240J040

Engine Crankshaft Main Bearing Set 62-01 FRD/LIN/MER 3.3L/3.6L/3.9L/4.2L/4.3L/4.6L/4.7L/4.9L/5.0L

Part Number: EGN-BC240J040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Enginetech Piston Ring Sets M40058-020

Engine Piston Ring Set 53-03 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GM/GMC/JEP/LIN/MER/OLD/PLY/PON

Part Number: EGN-M40058020

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Sealed Power MA Series Main Bearings 4125MA 40

Main Bearing Set;

Part Number: SLP-4125MA40

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 Main Bearings BC240HP030

Engine Crankshaft Main Bearing Set 62-01 FRD 3.6L/3.9L/4.3L/4.6L/4.9L

Part Number: EGN-BC240HP030

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

Hastings Premium Ductile Ring Sets 2M5523080

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

Part Number: HSN-2M5523080

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 2M5538S035

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

Part Number: HSN-2M5538S035

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 Piston Ring Sets 139S060

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-139S060

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 2M5525S030

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

Part Number: HSN-2M5525S030

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 Claimer Series Performance Piston Ring Sets CM5521S030

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

Part Number: HSN-CM5521S030

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 2M5538S065

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

Part Number: HSN-2M5538S065

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

PRW Power Rocker Arm Shaft Hold-Down Kits 1203023

Rocker Arm Shaft Hold-Down Kits,FORD 302-351W, Rocker Arm Fastener Kit for PRW 333020x Series rocker system, 4135 Alloy Steel

Part Number: PQX-1203023

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Pioneer Race Balancers 872032

Harmonic Balancer, Race, External Balance, Steel, Black, Ford, 5.0, 5.8L, Each

Part Number: PIO-872032

4.6 out of 5 stars ( 10 )

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PowerBond Premium OEM Replacement Harmonic Balancers PB1070N

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Hastings Premium Ductile Ring Sets 2C574S010

Engine Piston Ring Set, Single Cyl Ring Set; Triple Chrome

Part Number: HSN-2C574S010

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 2M139S005

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

Part Number: HSN-2M139S005

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 2M5523010

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

Part Number: HSN-2M5523010

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 2M5504S045

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

Part Number: HSN-2M5504S045

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 2M5504S040

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

Part Number: HSN-2M5504S040

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 2M5525S035

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

Part Number: HSN-2M5525S035

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