FORD 6.6L/400 Pistons & Piston Rings

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: Today

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: Today

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

Part Number: HSN-139030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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 ( 6 )

Estimated Ship Date: Today

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: Today

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

Part Number: SLP-E-251X60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X20

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP020

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HSN-SM5587S035

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM5587S

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-CM5532S060

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Estimated Ship Date: Jan 23, 2026 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, Modified, Each

Part Number: UEM-S1160-030

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Estimated Ship Date: Feb 12, 2026 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, Modified, Each

Part Number: UEM-S1160-060

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: HSN-2M8521S045

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8556S045

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM5587S030

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8556S070

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8556S035

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8556S055

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: HSN-SM8556S065

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: UEM-S1160-020

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Estimated Ship Date: Feb 16, 2026 if ordered today

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