Availability
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
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
BUILD IT WITH SUMMIT!
Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045045
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set
Part Number: MLE-4045MS-15
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, 4.040 in. Bore, Cast Iron, 1.0mm., 1.0mm, 2.0mm Thickness, 8-Cylinder, Set
Part Number: MLE-4045MS-112
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: MAH-40564CP040
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set
Part Number: MLE-4045MS
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR369040
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-139-40
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-M139-40
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-134-CM553240
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-40405
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: DMS-RSMR100-4040
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
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
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Moly, 4.040 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: SLP-E-921K40
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set
Part Number: MLE-4045ML-043
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR9090-40
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CRL3690-45
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set
Part Number: UEM-4000BM8-040
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-286K
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in., 8-Cylinder, Set
Part Number: SLP-R-9343-45
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Chrome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251KC40
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-R990240
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CRL9090-45
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Piston Rings, Plasma-Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-134-CM553140
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
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