FORD 6.6L/400 Pistons & Piston Rings

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

Part Number: SLP-E-251KC

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Estimated Ship Date: Monday 11/3/2025

Pistons, AutoTec SBF, 4.03, 4, Flat Top 6.58, 0.975, SBF 351M/401, Sold as a set of 8.

Part Number: PIS-1000773

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Piston Rings, Phosphate Coated, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139010

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Estimated Ship Date: Monday 11/3/2025

Piston Rings, Claimer Series Performance Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in., L8, V8, Set of 8

Part Number: HSN-CM5532040

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139010

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Estimated Ship Date: Nov 17, 2025 if ordered today

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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: Nov 18, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-2M139S

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Estimated Ship Date: Monday 11/3/2025

Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508065

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Estimated Ship Date: Nov 18, 2025 if ordered today

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

Part Number: HSN-SM8556035

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Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: HSN-SM8556065

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston Set, 400M SBF 400M K2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.030 bore

Part Number: DMS-K2-3970-4030

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Estimated Ship Date: Monday 11/3/2025

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Piston Set, 400M SBF 400M K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.030 bore

Part Number: DMS-K2-3971-4030

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Piston Set, 400M SBF 400M K2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore

Part Number: DMS-K2-3975-4000

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Estimated Ship Date: Monday 11/3/2025

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Piston Set, 400M SBF 400M K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore

Part Number: DMS-K1-3970-4040

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Piston Set, 400M SBF 400M K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.060 bore

Part Number: DMS-K1-3970-4060

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Piston Set, 400M SBF 400M K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-K1-3971-4000

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Estimated Ship Date: Nov 20, 2025 if ordered today

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

Part Number: MAH-40564CP020

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Piston Rings, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: HSN-2M5508045

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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

Part Number: HSN-2M5508S

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Estimated Ship Date: Monday 11/3/2025

Pistons, Cast, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Set of 8

Part Number: UEM-1160-020

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: HSN-2M8521065

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Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: HSN-CM5531S040

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Estimated Ship Date: Nov 17, 2025 if ordered today

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