MERCURY COUGAR Pistons & Piston Rings

Piston, Cast, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Cleveland, Each

Part Number: UEM-S1159-020

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Cleveland, Each

Part Number: UEM-S1159-030

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Cleveland, Each

Part Number: UEM-S1159-040

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Cleveland, Each

Part Number: UEM-S1159-060

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Cleveland, Each

Part Number: UEM-S1159-STD

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Big Block, Each

Part Number: UEM-S1161-020

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Cast, Dish, 4.390 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Big Block, Each

Part Number: UEM-S1161-030

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Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Big Block, Each

Part Number: UEM-S1161-040

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Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Big Block, Each

Part Number: UEM-S1161-STD

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Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.254 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB199-020

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Piston, Hypereutectic, Dish, 4.274 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB199-040

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Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

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

Part Number: HSN-2M594S020

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Chrome, 3.789 in. Bore, 96.250mm Bore, 2.0mm, 2.0mm, 4.75mm Thickness, Set for One Cylinder, Each

Part Number: HSN-2C4203S010

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: HSN-2M5538S

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: HSN-2M5538S005

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Estimated Ship Date: Tomorrow if ordered today

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Ring Set, Plain - Ford 390 Eng. (66-67); Merc. 390,410 Engs. (66-67)

Part Number: MAH-50718CP020

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Estimated Ship Date: Aug 26, 2025 if ordered today

• Special Order

Piston Rings, Plasma-moly, 3.680 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40565CP

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Estimated Ship Date: Aug 26, 2025 if ordered today

• Special Order

Piston Rings, Plasma-moly, 4.060 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-51497CP060

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Estimated Ship Date: Aug 26, 2025 if ordered today

• Special Order

Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40134CP020

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Estimated Ship Date: Aug 26, 2025 if ordered today

• Special Order

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.050 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50718CP

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Estimated Ship Date: Aug 26, 2025 if ordered today

• Special Order

Piston Rings, Moly, 4.070 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-180K20

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 11, 2025 if ordered today

• Special Order

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.244 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-41722

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.700 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, Set

Part Number: MAH-41221020

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Estimated Ship Date: Aug 26, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-595040

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4262030

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Estimated Ship Date: Aug 11, 2025 if ordered today

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