Pistons & Piston Rings

Piston, Pro LS, 4.000 in. Bore, Forged Aluminum, Dish, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43400012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston, Pro LS, 3.903 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273903-7

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Estimated Ship Date: Tomorrow

Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Dish, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45403012

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Estimated Ship Date: Tomorrow

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.895 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-51870CP020

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Estimated Ship Date: Aug 8, 2025 if ordered today

• Special Order

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50843CP060

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Estimated Ship Date: Aug 8, 2025 if ordered today

• Special Order

Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273780-2

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Estimated Ship Date: Tomorrow

Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-7689

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
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Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dish, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45780-7P

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Estimated Ship Date: Aug 20, 2025 if ordered today

• Special Order

Piston, Pro LS, 3.820 in. Bore, Forged Aluminum, Dome, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45820-2P

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Estimated Ship Date: Tomorrow

Piston, Pro LS, 4.040 in. Bore, Forged Aluminum, Flat Top, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S454040-2

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Estimated Ship Date: Tomorrow

Engine Piston Ring Set, 10-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4814040

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Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HSN-2M4346060

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Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
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Engine Piston Ring Set, 4-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C5060

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Estimated Ship Date: Jul 22, 2025 if ordered today

• Drop Ship
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Piston Rings, Premium Piston Ring Sets, Moly, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-41137CP030

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Estimated Ship Date: Jul 29, 2025 if ordered today

• Special Order

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.340 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M692020

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Estimated Ship Date: Jul 23, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.057 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50847CP

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Estimated Ship Date: Aug 8, 2025 if ordered today

• Special Order

SINGLE PISTON

Part Number: MLE-930249025-1

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Estimated Ship Date: Tomorrow

PISTON

Part Number: MLE-930256072-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

408cid 4.030 x 1.245CH, 4.000stroke,6.250rod,0.927pin,-26cc,434g,9.5CR, 2618

Part Number: MLE-930249530-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

348cid 3.908 x 1.314CH, 3.622stroke,6.125rod,0.927pin,-16.0cc,414g,9.0CR, 2618

Part Number: MLE-930219008-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

377cid 4.155 x 1.125CH, 3.480/3.500stroke,6.125rod,0.927pin,11.1cc,507g,13.5CR, 2618

Part Number: MLE-930208255-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

525cid 4.310 x 1.270RCH, 4.250stroke,6.660rod,0.990pin,18.0cc,539g,10.8CR, 4032

Part Number: MLE-929907110-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

428cid 4.125 x 1.000RCH, 4.000stroke,6.000rod,0.927pin,-20cc,422g,10.4CR, 4032

Part Number: MLE-930211425-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

533cid 4.440 x 1.350CH, 4.300stroke,6.800rod,0.990pin,-38cc,527g,9.5CR, 4032

Part Number: MLE-930245640-1

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Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

408cid 4.030 x 1.245CH, 4.000stroke,6.250rod,0.927pin,-26cc,422g,9.5CR, 4032

Part Number: MLE-930248430-1

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order