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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: Today
Estimated Ship Date: Today
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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP404015
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP404016
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: SUM-GP404043
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Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP404012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP404064
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP404010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Steel Series Performance, Plasma-moly, 4.040 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SM8565040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.040 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SN9045040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: MAH-3150036040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, 0.043 in., 0.043 in., 3.0 mm, Thickness, 8-Cylinder, Set
Part Number: JEP-J71408-40405
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
Piston Rings, 4.040 in. Bore, Cast Iron, 3mm., 2.38mm, 4mm, Thickness, Single Cylinder, Set
Part Number: MAH-S42170020
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: MAH-3150034040
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
.043-.043-3.0
Part Number: JEP-J714F8-40405
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-3150049040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
4.040+5 1.2 1.2 3.0 8CYL
Part Number: TSR-MSH470845
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
PISTON RINGS
Part Number: TSR-CRG1010-45
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4.040+5 1.0 1.0 2.0 8CYL
Part Number: TSR-CS1124040
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, 1.2 mm, 1.0 mm, 3.0 mm Thickness, Single Cylinder, Set
Part Number: JEP-J91501-40405
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
1.2-1.2-3mm MOLY
Part Number: JEP-J92601-40405
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
RING SET .043-.043-3m-102.743
Part Number: JEP-J7140140405
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: MAH-3150036045
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-3150059045
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-3150049045
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP404015
