MERCURY COUGAR Pistons & Piston Rings

Piston Rings, Moly, 4.190 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-261K60

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4726030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Moly, 4.040 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-458K40

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Piston Ring Sets, Standard Size, 4.000 in. Bore, Phosphate Coated, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-4726

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston, Hypereutectic, Flat Top, 4.030 in. Bore, 5/64 in, 5/64 in, 3/16 in. Ring Grooves, Ford, 289, 302, Each

Part Number: SLP-WH273CP30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP30

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston - Ford Pass. & Trk. 289 Eng. (1963-68), 302 Eng. (1977-85)

Part Number: MAH-2242108

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: HSN-2M5540030

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Estimated Ship Date: May 5, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.059 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139060

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: SLP-E-296X30

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Moly, 3.571 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-916K50MM

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Moly, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-296K20

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Original Standard Piston Ring Sets, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP040

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Moly, 4.130 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-261K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L8, V8, Set of 8

Part Number: HSN-2M4346

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP30

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4346030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.360 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5536

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Estimated Ship Date: May 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.420 in. Bore,, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H418CP60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Dish, 4.060 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP60

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139070

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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