Availability
Pistons, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Set of 8
Part Number: SUM-17383C-00
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP400515
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.070 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP407015
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Flat, 4.040 in. Bore, Ford, Each
Part Number: SUM-17303C-40-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Piston Rings, Iron, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-135-2M551960
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: SUM-GP406043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP418516
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 3.552 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP355215
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 4.630 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP463016
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.200 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP420016
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 3.903 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP390312
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP402012
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 4.090 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP409012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-134-CM553100
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro GPX 86mm/3.386 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP8600XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Gas Nitride Steel Top, Ductile second, Std. Tension oil, File Fit for 4.150 in. bore 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9050025
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro GPX 82mm/3.228 Gas Ported Rings, Forged Honda B series pistons, Gas Nitrided Steel top 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Sett
Part Number: SUM-GP8200XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP425064
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Pro LS 2618 Forged Piston, 4.005 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8
Part Number: SUM-110927400520
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pro LS 2618 Forged Pistons. 3.820 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-2999273820-7
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Pro pistons Olds 350, 4.087 bore, 1.612 C.H., 3.385 in. stroke, 6 in. rod, 0cc flat top, 10.5@68cc, 10.37@69cc, 10.25@70cc, 9.7@75cc, 9.3@79cc
Part Number: SUM-SBO350030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Pro pistons for Chrysler 440, 4.350 bore, 2.065 C.H., 3.75 in. stroke, 6.76 in. rod, 8cc flat top. 10.75@75cc, 10.5@78cc, 9.9@84cc, 9.5@88cc.
Part Number: SUM-BBM440030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro GPX 87mm/3.425 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set
Part Number: SUM-GP8700XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 2618 Forged Piston, 3.785 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-110927378512
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pro LS 2618 Forged Piston, 3.898 bore, 1.110 C.H., 16cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-110927389816
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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