MERCURY COUGAR Sealed Power Pistons & Piston Rings

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K30

4.38 out of 5 stars ( 45 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K

4.21 out of 5 stars ( 43 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K40

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP30

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/4/2025

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Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-458K

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Hypereutectic, Flat, 4.000 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 8/4/2025

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Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K60

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Forged, Flat, 4.030 in. Bore, 3.500 in. Stroke, 5.780 in. Rod, Ford, 5.8L Cleveland, Set of 8

Part Number: SLP-L2379F30

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP40

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Pistons, Forged, Flat, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2482F30

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X30

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Pistons, Forged, Flat, 4.040 in. Bore, Ford, Cleveland, Set of 8

Part Number: SLP-L2379F40

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Piston Rings, Cast Iron, 4.390 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-296K30

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, 4.020 in. Bore, 5/64, 5/64, 3/16, .200 in. Deep Oil Groove, Moly Top Ring, Set

Part Number: SLP-E-251K20

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-296K

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Forged, Flat, 4.110 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F60

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Moly, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, V8, Set

Part Number: SLP-E-180K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-458X

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/4/2025

Piston Rings, Cast Iron, 4.050 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-180X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

Pistons, Forged, Flat, 4.090 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F40

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Pistons, Forged, Flat, 4.390 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2366F30

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 21, 2025 if ordered today

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